The queen praised the United Nations for its role in reducing conflict, offering humanitarian assistance and tackling the effects of poverty in many parts of the world.

VOA: standard.2010.07.06

For all students, what we want to do is we want to give you an understanding of the role computation can and cannot play in tackling technical problems.

对所有学生来讲，我们想做的就是,给你们关于计算在能否解决技术问题中,所扮演角色的,认识。

麻省理工公开课 - 计算机科学及编程导论课程节选

There are also indications the new strategy will include additional aid for Pakistan, conditioned on improvements in the way the government is tackling the problem of militants along the Afghan border.

VOA: standard.2009.03.26

President Obama will speak on Tuesday about his plans for tackling the nation's In his weekly radio and Internet address, Mr.Obama says the drop from October's 10.2 percent jobless rate is a positive trend, but he is not satisfied.

VOA: standard.2009.12.06