reason, cause區(qū)別

　(1) reason：理由，原因;指決定做某一件事或采取某一行動的理由，由此而得出結論或解釋。
 
　　The reason for my absence was that l was ill. 這兒不能用because引導。
 
　　(2) cause：起因；指引起某種后果的起因。
 
　　The cause of the accident was the fact that he was driving too fast. 事故的起因是他開得太快。