“I can't understand it. What is interesting about this physical experiment, chemical foundation reaction, elementary school ancient poems, must-memorize 100 Chinese geography, nature and science... Some characters are unclear, and there are large characters.”,Zhao Zheng looked at Yan Shu, and Yan Shu shook his head to signal Zhao Zheng not to speak. He then responded to Zhao Jun's words with a "Yes, would you like some water",He still thought the elderly used smart phones or cellphones less, so he wanted to remind An Shu with a landline.。