A grown man knows the world he lives in.
成熟的人清楚其生活的世界.
How long have you known?
你知道这事多久了?
He has invented a wholly factitious story about his past,so almost all the characters in that story are fictitious.
有关自己的过去,他完全人为地编造了一个故事,因此故事里的人物几乎都是虚构的.
My team has discovered 150.
我的小组发现了150颗. 再答： 答案已提交，楼主满意请采纳哈~~
