用when连接句子 Chow Yun Fat was famous in Asia for many years.Then he went to America.
问题描述：
用when连接句子 Chow Yun Fat was famous in Asia for many years.Then he went to America.
答
Chow Yun Fat was famous in Asia for many years when he went to America.When he went to America,Chow Yun Fat was famous in Asia for many years 为什么答案上说上面这句不行？帮忙解决一下，谢谢。