A person in the Song

There's a teaching volunteer acceptance letter, along with a teaching training certificate, a student ID card from Renmin University of China, and some clothing. There's also a small metal box and a large one, a bunch of bottles and cans, some black and white thread, and some other books...,Zhao Zheng hesitated for a moment, then asked, "You said... could he be from many years in the future",If one is born blind and has never seen light, the mind may be able to bear it.。