为什么地球人和外星人不同?这句用英语怎么说.

网友回答

why are human beings different from aliens?
======以下答案可供参考======
供参考答案1:
Why are earth people different from aliens ?
供参考答案2:
“为什么地球人和外星人不同”译英：Why is the Earth and the aliens of different
供参考答案3:
Why are terrestrials and extraterrestrial beings different? or Why are earthmen and aliens different?