如果有必要我就买一台电视机。

I'll buy a TV set if (it is) necessary.

youdao

若有必要，我就买一台电脑。

I'll buy a computer if (it is) necessary.

youdao

所以我对自己说，等价格降到500 美元时，我就买一台。

So I told myself when the price dropped to $500, I would buy one.

youdao

And I was thinking about maybe getting one of those tablet PC's.

所以我在想要不然就买一台平板电脑。

What kind of实战 - SpeakingMax英语口语达人