We play different roles in life, and we all have a duty to play these roles well.

我们在生活中扮演着不同的角色，我们都有义务扮演好这些角色。

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Secondly, a good teacher should play different roles in teaching.

其次，好老师应该能在教学中扮演不同的角色。

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Yes, the life just like a large stage, every people play different roles.

是的，人生就像一个大舞台，每个人都扮演的不同的角色。

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That's some sense of the spectrum of magazines that are coming out, and all with different roles to play in this culture and that position their writers and poets and artists associated with them in different ways.

对于设定即将出版的杂志的基调，以及它们在文学发展中扮演的不同角色,作家诗人和艺术家们以不同方式与之相连的地位,都具有一定的意义。

耶鲁公开课 - 现代诗歌课程节选

His career, where he attempted many times to play roles that were different from his Vulcan nature, stalled until finally many years later he gave up and wrote another book called I Am Spock where he finally conceded to the fundamental attribution error.

在他的演艺生涯中，他多次想扮演,不同于Vulcan人特征的角色时，都没演成，终于很多年以后,他放弃了，并写了一本书《我是Spock》,他终于在基本归因错误面前让步了。

耶鲁公开课 - 心理学导论课程节选

Liam Neeson's action film Taken 2 came fifth, while Cloud Atlas, in which Tom Hanks and Halle Berry play six different roles across 500 years, was ranked sixth.

BBC: Wreck-It Ralph scores big at North American box office

The phrase "US delete" leaps out at the reader, so consistently does it appear - often in company with Canada - particularly on anything relating to "common but differentiated responsibilities", the phrase that basically means rich and poor countries both have an interest in solving something but have different roles to play.

BBC: Rio: So much to do, so little time

We all play different systems with our clubs and everybody knew their roles and had worked hard on it all week.

BBC: Scotland boss Craig Levein defends system in defeat