But he says the American public can force Congress to pay more attention to this subject.

VOA: special.2010.04.21

So I think that by doing that, I can't force you to hang outside of work, but I can make it so that people are more with each other and can communicate more freely.

工作之余，我不能强迫大家也在一起，但能够让他们在与同事相处的时候,感觉更舒服，交流更自由。

斯坦福公开课 - 扎克伯格谈Facebook创业过程课程节选

By your estimation, how many more years before we will see Afghan National Army and the police force in enough numbers to stablize the country?

根据您的估计，还要多少年,才能有足够的阿富汗国民士兵和警察,来维持这个国家的安定？

普林斯顿公开课 - 国际座谈会课程节选

"It will force these companies to more clearly and publicly acknowledge the harmful and deadly effects of the products they sell."

VOA: standard.2009.06.22

The United States currently has a 70,000 strong force in Afghanistan and is considering sending up to 40,000 more.

VOA: standard.2009.11.13

And as Europe's labor force ages and fewer Europeans are born, Lemaitre predicts governments will be pressured into opening their doors to more immigrants.

VOA: standard.2010.01.20

Scarpetta says that means countries will need to target their resources more selectively and to ensure that the most vulnerable members of the labor force benefit.

VOA: standard.2009.09.16

But the Afghans often have their own way of doing things. And that sometimes conflicts with U.S.-led efforts to forge a larger, more independent Afghan security force.

VOA: standard.2009.12.13

The Navajo have many heroes, including warriors who fought efforts by the U.S.Army to force them from their homes and onto a miserable reservation more than a century ago.

VOA: standard.2010.03.22

The president thanked Ms.Merkel for Germany's contributions to the NATO military force in Afghanistan, although the United States wants Germany and other NATO partners to add more troops to the effort.

VOA: standard.2009.11.03