公司采用巧妙的策略来说服顾客。

Companies ___employ clever tactics to persuade customers.

这门课程给了我们运用谈判技巧的机会。

The course gave us the opportunity to ___employ negotiation techniques.

要解决复杂问题，我们必须运用多种方法。

To solve complex problems, we must ___employ a variety of methods.