play a role

发挥作用；有影响中释

1 He or she will then show you how all these things, combined, play a role in choosing a career..然后他/她会向你解释如何将这些事情结合起来，在你择业时发挥作用。

2 I think this may be an extraordinary moment in history where Africa can become a continent of hope and the Bank can play a role in that..他说："我认为，这可能是历史上一个不同寻常的时刻，使非洲成为一个希望的大陆，世行可以在这方面发挥作用。