So traditionally, what we've done was we had a very small sales force and we sell some ads.

销售团队规模很小,只靠广告赚钱。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

Your plant is going to blow up, because the ideal gas law works only in very small range of pressures and temperatures for most gases.

理想气体定律,只在一个很小的压强,与温度的范围内适用。

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So, even if the cost is small, $10 a dose, it quickly amounts to a large amount of money.

因此,即使单只成本很小,可能只有十美元,但是这很快就会累积成为很大的金额

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This is in a pretty small it's bigger than Belgium, but this is a pretty small territory.

这是仍然是一个相当小的数字,只比比利时稍大一点,不过比利时的领土也是很小的

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