Either before or now, the pursuit of a better life has been a belief in human hearts, the 2008 Olympic Games, the Expo also.

不管是以前还是现在，追求更美好的生活一直是人类心中的信仰，2008奥运会是，世博会亦是。

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The odds are high it will also cut its short-term interest rate, now 2%, to 1.5% either at or before its policy meeting at the end of October.

美联储在十月底的政策会上或之前，下调短期利率（从现在的2％调至1.5％）的可能性很高。

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The -d option can also tell you what the date will be relative to the current date — either a number of days or weeks from now, or before now (ago).

d选项还可以告诉您，相对于当前日期若干天的究竟是哪一天，从现在开始的若干天或若干星期以后，或者以前(过去)。

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Sanjay Kaul, a cardiologist at Cedars Sinai Hospital in L.A. who has been an FDA consultant, says the FDA should now require all cholesterol medicines to either do a big study showing they prevent heart problems before approval or only grant conditional approval and then demand the big study.

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