在人类存活的这约20万年里，我们没有办法精确地表示数量。

For the bulk of our species' approximately 200,000 year lifespan, we had no means of precisely representing quantities.

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这些人不使用精确的词语来表示数量，而是只使用类似于 “a few” 或 “some” 的词语。

Instead of using words for precise quantities, these people rely exclusively on terms similar to "a few" or "some."

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用图象表示一种图示手段，如饼状图或条形图，用于表示数量关系。

A pictorial device, such as a pie chart or bar graph, used to illustrate quantitative relationships.

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