On Sunday,Emanuel said the main question now is whether there will be a credible Afghan government to help provide security and government services, if foreign troops are able to reverse recent Taliban gains.

VOA: standard.2009.10.20

Now one of the main questions going to face your advisory council is the question of discrimination on hiring.

现在，一个主要问题将会,摆在你们顾问委员会面前，那就是,雇佣歧视的问题。

普林斯顿公开课 - 人性课程节选

Putting aside,for the most part,the soul view, because I've argued that there are no souls-- although occasionally I bring it out just for the sake of comparison and contrast-- the main question we want to ask ourselves is how to choose between the body view and the personality view.

基本上可以把灵魂理论放到一边，因为我已经说过不认为有灵魂存在-,尽管有时候我会提到这个词,但那只是为了便于对比和比照-,我们要探讨的一个主要问题是,如何在两者之间取舍。

耶鲁公开课 - 死亡课程节选

"In Europe and also here increasingly in the U.S., they are talking as if we had basically lost it and the main question was talking to the Taliban and settling to some degree on their terms, whereas we still have not tried - and I think it would be worth trying for a year, at least,or two - to address the causes as to why the Taliban has become relatively popular, or at least relatively accepted,"

VOA: standard.2009.03.11

This question became the main issue in the presidential election of eighteen ninety-six.

VOA: special.2010.07.01