The United States has blocked more than $30 million to Honduras, and says it will withhold up to $200 million unless Mr.Zelaya is returned to office.

VOA: standard.2009.10.23

And so there is this critical school that says, "I won't believe anything unless it is proven to me."

有批评家指出,"我不会相信没有证据的历史"

耶鲁公开课 - 古希腊历史简介课程节选

In other words, there is no nature unless you have culture to think it.

换言之，只有用文明来思考它，才有自然这个概念。

耶鲁公开课 - 文学理论导论课程节选

"This is the starting point. Unless there is an end, a real cessation from these activities, it will be difficult for any Palestinian negotiator to come back to the table.

VOA: standard.2009.04.09

The incentive in Washington is such that it's virtually impossible to cut spending unless you can go to the voters " and say "We don't have the money."

政府的机制就是这样,削减财政开支，几乎不可能,除非你有勇气对选民说,“政府没钱了“

斯坦福公开课 - 经济学课程节选

"I do not believe we ought to add troops in Afghanistan unless it is indispensable in our war against al-Qaida, "If it is, then we have to do whatever it takes because al-Qaida is out to annihilate us.

VOA: standard.2009.11.23

Since they are sentient, free creatures, they should have a right to do whatever they want unless there is a compelling argument against it and a compelling argument would have to involve some infringement of the freedom of other people.

因为他们都是有知觉的自由个体，他们有权做他们想做的事,除非有非常强烈的理由反对他们这么做,而这种强烈的理由是指,这种行为会侵害另一个人的自由。

耶鲁公开课 - 心理学导论课程节选

"With this blockade against building materials, it seems hard to see how America's pledge of $10 million is going to make any difference unless, because of the close relationship between America and Israel, there's some kind of agreement that this $10 million for UNRWA schools in Gaza will go through."

VOA: standard.2010.06.17

And so similarly as Gmail's priority inbox, it's gonna be pretty flawed for a lot of us at least initially because it just doesn't know the answers a priori correctly unless we teach it or program it to be better. There is also another flaw in here or multiple flaws arguably.

类似于Gmail的优先收件箱，在起初使用时对大多数人来说它是有缺陷的,因为它不知道如何正确判断优先级,除非我们事先告诉它或编写程序改良它,另外这里存在一个或多个漏洞，可以说是缺陷。

哈佛公开课 - 计算机科学课程节选

"They will consider that NATO is not different from the Taliban when it comes to protecting civilians unless NATO will prove to them that it is an honest broker here that it cares about their protection that it acknowledges mistakes that it compensates where possible and that it does everything to reduce the recurrence of similar incidents in future."

VOA: standard.2009.09.07