TV is playing a positive role in our modern life and it has become part of our life.

电视在我们的现代生活中起着积极作用，并且它已成为我们生活的一部分。

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Outstanding business letters are playing a positive role in developing a good relationship with customer and prompting new business.

优异的商务信函在咱们成长同客户的关系，以及告竣新的业务方面起着踊跃的促进效用。

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Groups should assess their progress regularly and honestly, and emphasize that all participants are responsible for playing a positive role.

机构应经常如实地评估其进展，并强调所有参与者都应发挥积极作用。

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You haven't said -- is the U.S. playing a positive role or a negative role at the top?

WHITEHOUSE: Press Briefing

Hooper was roundly viewed as playing a positive role in the team's development, but, despite a vote of confidence from head selector Richards, the 36-year-old has been dethroned by Lara.

BBC: Windies go for devil they know

With debutant Khawaja playing cautiously and skipper Clarke adopting a positive role, they added 65 before two James Anderson wickets derailed the Australians.

BBC: Ashes: England close in on series victory in Australia