If that is the case, we need more staff.

　　如果真是那樣，那我們就需要更多的員工了。

　　If that's what you think, you're way off base.

　　你如果那么想就全錯了。

　　I'd rather email than phone, if that's OK by you.

　　如果你認為可以的話(huà)，我想發(fā)電郵而不打電話(huà)。

　　I could cook your supper, though, if that would help.

　　不過(guò)我可以給你做晚飯，如果這樣能幫到你的話(huà)。

　　The President said he was willing to stand aside if that would stop the killing.

　　總統說(shuō)，如果他下臺能讓殺戮停止的話(huà)，他愿意這樣做。