Soldiers from Uganda and Burundi are currently playing a vital security role by defending the presidential palace, the main seaport and airport from al-Shabab attacks.

VOA: standard.2009.04.17

But role-playing takes on dimensions of the state.

不过这种逢场作戏无处不在

耶鲁公开课 - 欧洲文明课程节选

Kerry,during a recent trip to Afghanistan and Pakistan, is credited with playing a key role in convincing Afghan President Hamid Karzai to enter a run-off election, following wide-spread corruption that tainted the initial contest in August.

VOA: standard.2009.10.26