当你开始承担经济责任、租金、税收时，你必须记录你支付的频率。

When you start having financial obligations, rents, taxes, you have to keep track of how often you pay.

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在过去几年中美中经济活动的频率、强度和重要性都成倍增加。

In the last few years the frequency, intensity, and importance of U.S.-China economic engagements have multiplied.

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同样，2010年，拉美和加勒比地区社会经济数据库将重点扩大覆盖面，提供劳动力市场调查数据。 劳动力市场调查的频率往往高于入户调查。

Similarly, in 2010, SEDLAC will focus on expanding coverage to provide harmonized data from labor market surveys, which tend to be carried out more frequently than household surveys.

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