Batman: This isn t exactly a normal world, is it?

蝙蝠侠：这本来就不是个正常的世界，不是吗？

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And yet, the history of this nation tells us that it isn, t so.

然而，美国历史告诉我们，事实不是这样。

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A computer isn "t much use without a human instructing it, and this is where the psychology is important."

没有人的指令，电脑基本上没用，所以这正是心理学在计算机科学中重要的原因。

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Soon after Call and Caroline were married, the Captain said to me, "This is hard for you,isn't it?What is it you really want to do?"

VOA: special.2009.02.14

This is actually a recurrent figure in the early poems, isn't it wonderful that there's a term for being turned to marble?

这事实上是在早期诗歌多次出现的一个形象，有一个术语形容变成石头，是不是很美妙？

耶鲁公开课 - 弥尔顿课程节选

But a few verses later it's clear that the poet isn't really drowning: this is a metaphor for his difficult situation.

但是随后的几首诗证明了，诗人并没有真正的溺水：,这里的水象征着困境。

耶鲁公开课 - 旧约导论课程节选

Chances are, this isn't it -- but it could be the precursor to what could eventually be cradled in your pocket, especially if you are a fan of E Ink.

ENGADGET: E Ink reference phone and flexible display hands-ons (video)

"This is panic, this it isn't organized at all, " said Phil Streible, a senior commodities broker at RJ O'Brien Futures.

NPR: Gold Plunges To Lowest In More Than 2 Years

You might think High Speed 2 will change this - isn't it all about bridging the North-South divide?

BBC: Should Britain let go of London?