They can simply check to see if the count is zero (empty) or a positive number (not empty).

它们可以轻松检查count是零(空)还是正数(非空)。

youdao

They can simply check to see if the count is zero (empty) or a positive number (not empty).

它们可以轻松检查count是零(空)还是正数(非空)。

youdao