So, basically what he's saying here is we pretty much understand what's going on there's nothing new to really discover, all we need to do is measure things more precisely.

他的意思也就是说,我们对世界上的所有事情,都很了解了，没有什么新的东西尚待发现的,我们剩下要做的就是。

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It was a gesture meant to imply that what I had to show her was nothing much, really, nothing to be taken seriously.

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Nothing much had changed really because technically I had everything backed-up, and all my files were available online.

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And nothing really much happened to expand its nuclear program under Mubarak.

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