48岁的妈妈跟22岁的儿子怎么沟通

Ning Cheng approached the flying saucer and reached out to touch it. The flying saucer was covered in ice. It was definitely made of metal and was indeed built in a factory. It's not some kind of monk refining. Ning Cheng could be considered a civilized and technological college student, but he couldn't understand the flying saucer at all....