Timing is absolutely crucial. Every time quantity I give in this article must be followed exactly.

时序是非常重要的。在本文中给出的时间数必须严格遵循。

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With time, they start to understand that a given number represents a quantity greater by one than the number coming before it.

随着时间的推移，他们开始明白，一个给定的数表示一个比它前面的数大1的数量。

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It's just very time consuming to get such a large quantity of data.

要收集这么多的数据就是非常耗时。

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What this really means is in a given time, the change in this quantity is a times the change in this quantity.

这里的真正含义是在给定的一段时间内,这个量的变化量等于,a乘以这个量的变化量

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There are pilot projects to do this in Tanzania, Kenya and Mozambique, but it will take time before the quantity and quality of their production can make a real dent in the supply problem.

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Most studies on the effects of television on kids have focused on the quantity of time the child watches TV.

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In the end, perceived success may be a David and Goliath fight, but I will side with quality over quantity every time.

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