This week around 300 graduating MBAs at Harvard Business School will take an oath, pledging to play a positive role in society once they graduate.

本周大约有300名将从哈佛商学院工商管理硕士(MBA)毕业生将举行宣誓，保证毕业后在社会发挥积极作用。

youdao

We hope that positive social mechanisms that are conducive to human adaptability will play an ever more effective role in meeting the challenges of the future.

我们寄希望于积极的社会机制，以期有助于人类更加适应自然，对未来的挑战扮演一个更加积极有效的角色。

youdao

The project will play a positive role in restoring production and living order, as well as in improving infrastructure of the benefited areas.

这个项目会对恢复生产和生活秩序以及改善受益地区的基础设施起积极作用。

youdao

Mr Duncan Smith insisted that the proposed cap is "quite fair" and will mean families are "not trapped in benefit dependency" but will be "moved from their circumstances" and "play a positive role" in getting people back to work.

BBC: IDS: Welfare reform is about 'changing lives'

Syrian opposition figures taking part will be urged to work with some of those now in the government they are fighting but who might play a positive role in future.

BBC: Residents run for cover in Aleppo