它必须完成什么？

What does it have to accomplish?

youdao

这个代码编写起来非常容易，但是伸缩性不好，因为它必须完成大量的工作来计算满足每个面值表示的查询的记录数。

The code is fairly easy to write, but it does not scale well because of the amount of work that it must do to count the number of records that satisfy the query that each facet value represents.

youdao

我们必须通过流汗来完成它。

We have to do it by sweating.

youdao