即便经济已经开始复苏，仍要过一段时间官方统计数字才能确认这一点。

Even if the recovery is under way, it may be some time before the official number crunchers confirm it.

《柯林斯英汉双解大词典》

但是我们在很长一段时间里一点一点地做到了。

But we did it little by little over quite a long time.

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这一点可能更难实现，但要达到效果需要很长一段时间。

This one may be a bit more difficult to pull off, but it can go a long way to achieving results.

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Second, the historical prologue bridges the gap between generations.

第二点，这段历史旁白缩小了不同是代际之间的差距。

耶鲁公开课 - 旧约导论课程节选

You're going to hear the violins play a running scale, If our beat is this, what note values are in the music of the violinists at this particular moment?

大家待会要听段小提琴演奏连续音阶,如果我们这样打拍子,在这个特定的时间点,这段音乐中小提琴手演奏的时值是什么

耶鲁公开课 - 聆听音乐课程节选