The government is encouraging all parties to play a constructive role in the reform process.

政府鼓励所有的政党在改革过程中发挥建设性的作用。

《牛津词典》

How will China play a constructive role?

中方将怎样发挥建设性作用？

youdao

The media does not play a constructive role.

媒体没能起到一个有益的作用。

youdao

Will Russia play a constructive role in averting open war between Sudan and South Sudan?

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Their endeavors have been pivotal in enabling their country to play a constructive role on the world stage.

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But again, I think we will continue to try to play a constructive role in helping this process along.

WHITEHOUSE: Press Briefing