I think 人類係地球人 because 人類 are born in 地球. If human come from another planet.,we can find the information in history book or by archaeology. But we can't find the information that we come from another planet. So I think we are 地球人.作者: kchan 時間: 2007-4-27 11:54 PM 標題: 人類係咪真係地球人呢?