"It didn't seem to be that hard of a decision. I like to give to others.

VOA: standard.2010.03.11

But that's a little bit hard, we aren't all that good at seeing electrons with our eyes, so we need to think of a way to do this.

但那有一点困难，我们都不能通过眼睛看到电子，我们需要想一种方法去做到它。

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I have made lots of friends from other parts but yeah, so initially like, it wasn't hard

我还认识了好多别处的朋友，所以，一开始不困难，

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But there wasn't hard evidence in humans to support the claim, study authors said.

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Although most people aren't hard to please, some (early adopters) demand high picture quality.

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Ten years ago it wasn't hard to find skeptics about the democratic experiment in Indonesia.

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