Too much has been done.

已经做得太多了。

youdao

Much has been done to stop pollution.

已经做许多工作来终止污染。

youdao

Much has been done; but there is much still to do.

已经做了很多事，但是有更多的事情去要去做。

youdao

The head of Italy's civil defense department, Guido Bertolaso, says much has been done over the past 12 months.

VOA: standard.2010.04.06

So it's becoming much more sophisticated, much more interesting and the interesting thing about it is that it verifies a lot of the research that has been done to date with far less sophisticated means, such as self-rapport.

手段更成熟，更有趣，有趣的是,它验证了许多至今通过不全面的方法,所完成的研究的正确性，像自我评估。

哈佛公开课 - 幸福课课程节选

Much work has already been done.

VOA: special.2009.10.06

And while she says much has been done across the country since then, voters' perceptions are still paramount.

CNN: Voting methods under close watch

Much has been done, in the West at least, to deal with harassment in the workplace, but the streets remain a different proposition.

BBC: Why do men shout at women in the street?

To be fair it has to be said that much has been done to improve the functioning of stock markets since that scandal.

BBC: Angry investors