英语语法分析

Some performance evaluations require supervisors to take action.

有些绩效评估要求主管采取行动。

In a large number of cases factory workers earn as much, if not more, than their middle-class supervisors.

在很多情况下，工厂工人的收入与他们的中产阶级主管的收入相比，如果不是更高也会相等。

Supervisors should acknowledge high performance so that the employee will continue to perform well in the future.

主管应该认可员工的高绩效，这样员工才能继续在未来有良好的表现。