Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
play a role起作用
例句：The director played a role in writing the contract.
这长官在撰写合同中扮演了一个角色。
2.People Magazine has singled out ten famous women who look fabulous most of the time.
single out挑出,挑选出
例句：Jerry was singled out as the best student.
吉利被选为最优秀的学生。