I only use that on special occasions, so it's as good as new.

我只在特殊场合用，所以它完好如新。

《柯林斯英汉双解大词典》

youdao

youdao

They only use the expression behind his back.

VOA: special.2009.11.29

>> They only use that when the program that you're running-- the program that you're referring to is going to your computer?

>它只有在你运行程序的时候才用到-,那你刚刚提到的程序,会到你的电脑上运行吗？

哈佛公开课 - 计算机科学课程节选

However, you only use this when the other person has been directly discussing, speaking on a subject.

但是，只有当他人在直接谈论某一话题时，你才能使用这个句型。

It sounds like 课堂 - SpeakingMax英语口语达人

Men may only use their right hand to swing the mallet, while women may use both hands.

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Of the 65, 000 words in the English dictionary, most English-speakers will only use 5-6, 000, Sheedy said.

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This is because the Mini can only use the one assigned tuner from the Premiere.

ENGADGET: TiVo Mini review HD