NUS statistics show that over 40% of students are forced to work during term time and the figure increases to 90% during vacating periods.

新加坡国立大学的统计数字显示，超过40%的学生在学期间被迫工作，而在放假期间，这一数字增加到90%。

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She says the new studies are important because they show trends over time.

VOA: special.2010.03.04

Sure, the studies show that over time index investing will give you the same returns as letting an educated human pick stocks for you.

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"The benefit over a 10-year time frame is almost certainly real, but it might be difficult to show over a shorter time frame, " he says.

FORBES: Magazine Article

The trends clearly show usage grows over time.

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