This is the first time that blind people have ever done individual studies before a product was put on the market.

这是盲人第一次在产品投放市场之前进行个人研究。

youdao

This is the best thing you've ever done – I am so happy for you!

这是你做过的最好的事–我真为你高兴！

《柯林斯英汉双解大词典》

None of us have ever done bad things.

我们都没做过坏事。

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It became very popular. One critic said it described the poetry of flight as no other book on flying had ever done.

VOA: special.2009.06.28

So if you've ever done something bad like drop your laptop or smack your computer and you've never been told not to do this.

如果你以前做过类似的摔或拍打电脑,并且没有人告诉你不可以这样做。

哈佛公开课 - 计算机科学课程节选

That's all that the roommate has ever done every moment that she has been in your presence.

她出现在你面前的时候总是这幅德行。

Do you ever课堂 - SpeakingMax英语口语达人

She was certainly one of the more interesting judicial interviews that I've ever done.

NPR: Profile: Judge Janice Rogers Brown

Writing the book has been one of the most rewarding things I have ever done.

FORBES: To Continue Growing, Quit The Big Job

He calls his 1961 purchase of the building "the best thing I've ever done" businesswise.

FORBES: Magazine Article