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1·How do we know which hands are own own? Scientists zero-in on the explanation.

我们怎么知道哪只手是自己的呢？科学家们在努力寻求解释。

2·Likewise, a sign for OK, forming a circle with our forefinger and thumb, means zero in France and money in Japan.

同样地，用食指和大拇指围成一个圈的表示 OK 的手势，在法国表示“零”，在日本表示“钱”。

3·After the personal-savings rate dipped to zero in 2005, the shock of the economic crisis last year prompted people to snap shut their wallets.

在2005年个人储蓄率降至零之后，去年经济危机的冲击促使人们迅速捂紧钱包。

4·We know that the zero does not count as a node, if per se I actually had managed to hit zero in drawing that, the correct answer would be the bottom one there.

我们知道0不能算作一个节点，如果我确实把零点画成了0，那正确的答案应该是下面的那个。

5·The markets have failed to zero in on this problem, because of all the other squeaky wheels in the global economy, but sooner or later, they will latch on it.

由于全球经济中所有其他吱吱作响的车轮，市场未能关注到这个问题，但迟早他们会意识到这一点。

6·They help us to zero in on a problem so we can deal with it.

它们帮助我们把精力集中在一个问题上，这样我们就可以处理它。

7·Just as important: Follow these simple rules that will help you zero in on key risk factors for weight gain - and conquer them once and for all.

重要的是：遵循这些简单的规则会帮助你在主要的风险因素上零体重增加——继而一次性战胜他们全部。

8·If you fail to take the test, you get zero, and I average the zero in.

如果你没能参加，那即是零分，我算平均分的时候会加入那个零分。

9·By lowering its target rate to almost zero in 2008, the Fed helped save many Banks from collapse.

2008年通过把目标利率调低到几乎为零，美联储把许多银行从崩溃中拯救出来。

10·Exports have been growing at an annual rate of more than 20 percent but analysts expect that may fall as low as zero in coming months as global demand weakens, AP reported.

美联称，出口一直在以每年20%多的幅度增长，但分析家预计，随着全球需求的萎靡，在未来几个月内，出口可能会出现零增长。