Mr.Obama says it is necessary to end taxpayer bailouts of private companies and make financial deals more transparent.

VOA: standard.2010.04.24

And what we saw last time is that this was necessary to make things work, this part of it in particular.

上节课我们讲,这是对外做功的必要条件，特别是这个部分。

麻省理工公开课 - 热力学与动力学课程节选

We don't have an enormous difficulty grasping them, and it doesn't seem to me that our capability of grasping irony is founded on a necessary, underlying agreement.

我们在理解时不会用很大困难，而且我认为，我们理解讽刺的能力,是建立在必要的，潜在的共识之上的。

耶鲁公开课 - 文学理论导论课程节选

He said a lot of misinformation is being spread by critics of reform, adding that it is necessary to clear the air.

VOA: standard.2009.08.11

Because when we see that something is just necessary, we-- it reduces the sting of it.

因为当我们认识到有些事是必然的-,它便感少了我们对它的痛苦。

耶鲁公开课 - 死亡课程节选

"That is why I will send our servicemen and women into harm's way only when it is necessary and ensure that they have the training and equipment they need when they enter the theater of war,".

VOA: standard.2009.05.23

It is a claim already, and as you've seen in Aristotle, towards the end of the history of the free polis, it is something necessary for mankind.

如你在亚里斯多德那里看到那样,在临近自由城邦历史的末期,这已经成为了一种宣言,这对人类来说是不可或缺的

耶鲁公开课 - 古希腊历史简介课程节选

If people are on the verge of dying, perhaps it is necessary to overlook that injustice, but I think it's important to keep in mind that we're still committing injustice by taking people's belongings or assets.

如果人们在死亡边缘挣扎，也许忽视这样的不公平是必要的，但我认为即使这样，我们依然要铭记,我们的行为不公正,这是在占有他人的财物或资产。

耶鲁公开课 - 公正课程节选

For others, it was necessary to go further and to settle the west coast of Asia Minor, which, indeed, this is a great period of Greek settlement on the west coast of Asia Minor.

对于另外一些人,则必须走得更远,在小亚细亚西海岸定居,而这事实上,确实是希腊人向小亚细亚西海岸,拓殖的黄金时期

耶鲁公开课 - 古希腊历史简介课程节选

If,when we interpret the claim everyone dies alone, that just ends up being a slightly pretentious way of saying everyone dies, we might say,oh yeah,that is true and it is a necessary truth, but it's not especially surprising.

如果我们对每个人都孤独而死的诠释，只是装模作样地说明人终有一死，那我们会说，这是真理，也是必要的，但并没有什么好惊奇的。

耶鲁公开课 - 死亡课程节选

The philosopher Spinoza thought that ... if we could only recognize the fact, what he at least took to be the fact, that everything that happens in life is necessary, then we'd get a kind of emotional distance from it; it would no longer upset us.

哲学家Spinoza认为,如果我们能够认识到这个事实，至少他认为这是事实，即生活中的一切事情都是必然的，那么它对我们的情绪影响就比较少;,它不会再让我们感到痛苦。

耶鲁公开课 - 死亡课程节选