The payroll survey can easily double-count someone: if you are one person with two jobs, you show up as two workers.

工资调查很容易把一个人重复计算进去：如果你是一个人同时做两份工作，你就会以两名员工的身份出现。

youdao

Now I'm putting count in double quotes, not to make it a string, but to say, this is count generically. It could be counting one by one through the integers, it could also be taking a collection of data and going through them one by one. It could be doing counting in some other mechanism.

现在我把count用双引号标起来，不是说把它命名为一个字符串，而是说，这是一个通用的计数器,它可能是每一次减1的整数,也可能是拿一个集合的数据然后,一个一个的访问它们,也可能是以某种机制来计数。

麻省理工公开课 - 计算机科学及编程导论课程节选

Instead of such a "double lock", the commission floated the idea of a "double count", where the proportion of English MPs supporting a Bill would be published alongside the overall result.

BBC: England-only laws 'need majority from English MPs'

The 1.6% undercount of the population in the 1990 census, which you and he cite, is a net figure which includes an actual undercount of 3.4% and a double count or otherwise incorrect count of another 1.8%.

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Mille has retail boutiques in nine cities, mostly in Asia, and wants to double that count.

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