The best thinking has been done in solitude. The worst has been done in turmoil.

最好的思想在独处中诞生；最糟的思想在混乱中产生。

youdao

What has been will be again, what has been done will be done again; there is nothing new under the sun.

已有的事，后必再有。已行的事，后必再行。日光之下并无新事。

youdao

The world is changed not by those who do what has been done before them, but by those who do what has been done inside them.

世界的改变不是因为那些只做曾经有人做过的事的人，而是那些只按照内心想法做事的人。

youdao

Over the years, when its sports teams have done well, Pittsburgh has been called the "City of Champions."

VOA: special.2009.07.13

What's happening there? Well, the selection of reactants has been done judiciously to provide either heat or to provide something that's cool.

就会感到这东西，比如说变冷了，对吧？,这里发生了什么？这些反应物都是,被仔细的选出来的，能够提供热量或制冷。

麻省理工公开课 - 热力学与动力学课程节选

All the pals here have done has been a learning experience for the children and for myself.

来这儿的所有朋友的帮忙,对孩子和我来说,都是一个学习的过程。

麻省理工公开课 - 媒体、教育、市场课程节选

And how do you push back against the notion that nothing has been done on guns when the records show that nothing has been done on guns?

WHITEHOUSE: Press Briefing

So now for something completely different: advanced technology for the last sixty years has meant computing power and its application but the interface with much of the 3 dimensional world is still extremely feeble because mechanical technology has been mostly overlooked since the mindset has been that mechanical has all been done plus it was never and will never be flashy.

FORBES: Move up http://i.forbesimg.com t Move down

However, I would also say that there is a difference between what has been said and what has been done.

WHITEHOUSE: Press Briefing