India's move to buy gold from the IMF is also seen as part of an effort to assert its greater role in world economic affairs.

VOA: standard.2009.11.06

Because I was taught good style, I'm giving that variable a name that conjures up the idea of its role, which is thankful or not.

因为我们学习了好的格式风格，我将给那个变量起一个,能使我们联想到它的角色作用，它是满意的或不满意的。

哈佛公开课 - 计算机科学课程节选

There is clearly some kind of an official group that has some sort of political role to play, which is popular in its character.

很显然需要有一个官方组织,扮演某种政治角色,从属性上来说这很常见

耶鲁公开课 - 古希腊历史简介课程节选

At a news conference with Philippines Foreign Secretary Alberto Romulo, Clinton said it was not her role to discuss military decisions but said the United States is prepared to continue the support for its regional ally.

VOA: standard.2009.11.12