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。

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If you don't specify a value, you will see the key with zero bytes of data are stored in the value.

如果您不指定一个值，那么您将看到键在值中存储零字节数据。

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Bernanke and his colleagues last month held a key bank lending rate at an all-time low near zero and pledged to hold it there for an "extended period."

上个月，贝南克与其同事将一项关键贷款利率持续保持在接近零点的水平，并且承诺会继续保持“更长的时间”。

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But a real key in looking at these plots is where we, in fact, did go through zero and have this zero probability density.

是我们经历这些零值,而且有这些零概率密度,我们把它叫做节点。

麻省理工公开课 - 化学原理课程节选

The hourly chart for GLD allows us to zero in on the key support levels to watch.

FORBES: GLD and SLV: When and Where to Buy

The central bank's rate-setting Federal Open Market Committee also kept its key interest rate at zero to 0.25%.

BBC: US central bank keeps buying bonds to boost economy

Last week, the central bank ended its policy of zero interest rates, lifting its key rate to 0.25%.

ECONOMIST: Business this week