Sure enough, Li Er stopped talking after listening to Zhang Nan's words, Zhang Nan's appearance has always been a mystery for Li Er, from the first time Li Er saw Zhang Nan, Li Er had already privately sent someone to investigate Zhang Nan's background, but he found nothing, not to mention whether what Zhang Nan said about the crossing door was true or false, even from that place, Li Er didn't know.

It's really like it came out of nowhere.

Although Li Er was very puzzled by this, but Zhang Nan's talent was to conquer Li Er, Li Er has a special dedication to talents, although his subordinates are already full of talents, but Li Er still loves Zhang Nan's talent very much.

Since Li Er was the superior, he has seen talents such as carp crossing the river, Wen You Du Ruhui, Fang Xuanling, eldest grandson Wuji and other Wenchen to Li Er to support the scene, and there are more generals, Wei Chi Gong of the Yongguan Three Army, Qin Qiong and Qin Shubao who take the head of the enemy generals like probing bags and taking things, plus one looks like a kraft candy, but the force and IQ are Cheng Biting Jin of the upper class.

It can be said that Li Er is also immune to ordinary talents to a certain extent, but the talent displayed by Zhang Nan is something that Li Er can't refuse.

Although Zhang Nan's armed forces can be said to be zero, he is a scholar who is powerless, but Zhang Nan will make weapons that will improve the overall quality of the army, not to mention the series of inventions that Zhang Nan came up with that can leave a name in history, as well as a series of reform policies.

Officially, because of the talent displayed by Zhang Nan, Comrade Li Er could not refuse, nor could he turn a blind eye, so Comrade Li Er gave Zhang Nan the greatest tolerance and trust, and for this unidentified guy, Comrade Li Er even made him an official to the second rank, and he also had a knighthood.

Of course, these things are all based on the loyalty and matching strength that Zhang Nan has shown.

So after Li Eryi heard that Zhang Nan had returned to the crossing gate, Li Er had the idea that he must go to the crossing door to have a look, and where such talents can be taught, Li Er should not be underestimated.

Even Li Er had a crazy idea in his head, that is, to study in this so-called crossing door, Li Er was surprisingly confident in his IQ, so he could guarantee that if he had this opportunity, he would definitely get what he wanted in it.

"Okay, I know your whereabouts are weird, I don't care about these, I care most about whether I can go with you." Li Er also said straight to the point.

After Zhang Nan heard this, he said: "If you go back to the emperor, the minister has no right to decide on this matter. ”

"Oh? Is that your master? Li Er asked.

"That's right, this time Yue'er went back with the minister, it was approved by the master and his old man, so the minister dared to bring Yue'er over, if there was no nod from the master, it would be impossible to bring someone over if he gave the minister a hundred dares." Zhang Nan said sincerely.

"I understand, that's why I asked you to ask your master." Li Er was not in a hurry, because Comrade Li Er seemed to be very confident in this matter.

"Yes, the minister understands, and the minister will find a way to ask when he goes back." Zhang Nan nodded.

"By the way, the emperor, the minister came back from the crossing gate this time, and he also got a good treasure, I hope the emperor can like it." As he spoke, Zhang Nan took out a mobile phone from his pocket.

Of course, this mobile phone was just changed out of the system by Zhang Nan, not specially bought for Comrade Li Er, Zhang Nan was not so kind to buy a mobile phone for Comrade Li Er, but this time Zhang Nan hoped to make Li Er excited for a few days through this mobile phone, don't always take out the country and go through the door to annoy yourself, if Li Er does not have this requirement, Zhang Nan does not plan to give it to Comrade Li Er.

"Oh? What kind of treasure is it, show it to me quickly. As soon as Li Er heard that there was a treasure, he immediately became interested.

Judging from historical experience, the things that Zhang Nan took out were not ordinary, especially Zhang Nan's private theater in IKEA, Li Er simply remembered it, although Comrade Li Er couldn't understand what the people inside were singing, but for Li Er.

It is enough to have a picture.

"The name of this thing is a mobile phone, and this thing is used to talk on the minister's side." Zhang Nan said, and handed the mobile phone in his hand to Li Er.

"Talk? What do you mean? Li Er took the phone and began to look at it.

"That is to say, the minister has this thing, the emperor you have this thing, no matter where the minister is, as long as the emperor calls the minister, the minister will be able to talk to the emperor immediately." Zhang Nan said with a smile.

"And such artifacts?" Li Er was surprised, obviously the mobile phone was beyond the scope of Comrade Li Er's cognition.

If the fact that the TV and the tablet can produce images is acceptable to Li Er, the function of this mobile phone for thousands of miles of sound transmission makes Li Er a little unacceptable.

"Of course, it can't be used in Datang, it can only be used at the crossing gate." Zhang Nan thought for a while and said.

"Then why are you telling me so godly?" Li Er heard that he couldn't use it in Datang, and immediately lowered his face, originally Li Er thought that with this thing, he could keep abreast of the dynamics of the major state capitals in Datang at any time, but Zhang Nan now actually told Comrade Li Er that the mobile phone can't be used, doesn't this give hope and despair?

"The minister is just stating a fact." Zhang Nan also shrugged helplessly.

After all, Zhang Nan can't understand the mobile phone communication, let alone develop for Datang, Zhang Nan thinks that after he burps, it will not be easy for Datang to handle such communication in a thousand years.

"Why does this thing look like that tablet from Deman?" Li Er put the phone in his hand and looked at it over and over again.

"That's right, it's a small tablet, but there is one more call function, of course, the call function can't be used now, the emperor, you can use it as a small tablet." Zhang Nan said with a smile.

"How do you use this thing?" Li Er asked.

Hearing Li Er's question, Zhang Nan stepped forward to teach Li Er to press the screen of his mobile phone, and then taught, Li Er got started very quickly, after all, Comrade Li Er, Jindeman's tablet, did not play less.

However, after Comrade Li Er strongly asked to try to make a phone call, it was Zhang Nan's turn to be shocked, for no other reason, because the mobile phone in Zhang Nan's pocket rang.

A pleasant ringtone seemed to Zhang Nan to be like a midnight bell, obviously there was no satellite to process the signal, why could the phone be called?