They actually make sure that certain streets get ploughed and other streets do not get ploughed when there is a snowstorm.

VOA: special.2011.04.25

I'm not certain it's meaningful, unless you are in the habit of giving your furniture personal names.

我不确定它有意义，除非你们热衷于,给你们的家具起名字。

麻省理工公开课 - 计算机科学及编程导论课程节选

Either that you are certain of something, that you are not certain of something,

一种是表达你对某件事情很有把握或者并没有什么把握，

I'm sure 课堂 - SpeakingMax英语口语达人

Using nets that let smaller fish escape and agreeing not to fish in certain areas can help reduce overfishing.

VOA: special.2009.08.11

Now this may suggest a certain condescension both toward theory and toward literary text, which is not at all intended.

选择这篇文章也许意味着,要对理论和文本进行一定的浓缩，这一点不是我想要的。

耶鲁公开课 - 文学理论导论课程节选

In nineteen seventeen, Cornell University scientist Lewis Knudsen found that under certain conditions, the fungus was not needed.

VOA: special.2010.04.06

Because it challenged the whole class system, that people are born into a certain place and cannot-- and should not-- be moved.

因为它挑战了整个阶级体系，人生来就有阶级，不能-,也不应该被改变。

哈佛公开课 - 幸福课课程节选

Also,he says reforms are needed so disabled people do not lose certain health assistance by taking a job.

VOA: special.2009.08.15

Shielding is the term that's used, it brings up a certain image in our mind, and even though that's not precisely what's going on, it's a very good way to visualize what we're trying to think about here.

它带给我们一个确定的画面，虽然那不够精确，但当我们尝试去考虑它的时候,它确实是一种很好,的形象化的方式。

麻省理工公开课 - 化学原理课程节选

They include using nets that let smaller fish escape and agreeing not to fish in certain areas.

VOA: special.2009.09.08

We can often better understand the dialogues by seeing Socrates as putting forward certain positions that he does not think are altogether adequate.

通过了解那些由苏格拉底提出,但他自己也觉得不充分的观点,我们可以更好地理解这些对话作品

耶鲁公开课 - 死亡课程节选

"We will not only defend ourselves to the uttermost but will make it very certain that this form of treachery shall never again endanger us ...

VOA: special.2011.06.02

These are private companies--insurance companies--they're monoline because they look only at a certain class of risks and not all risks that they insure.

他们是私人保险公司,从事单线业务,因为他们只关注一类特定风险,而不是担保所有的风险

耶鲁公开课 - 金融市场课程节选

"Whereas the oil industry may find it business as usual to have a certain number of spills, it is really not acceptable, especially in this day and age.

VOA: special.2011.07.08

I mean one way to describe this in a non-technical, non-Freudian way is, there are certain things about ourselves we'd rather not know.

用并不专业的非精神分析的话语来表述，就是我们并不想知道某些事情的存在。

耶鲁公开课 - 心理学导论课程节选

"When I was reared in the British West Indies my grandmother used to always tell me, you may not be loved by certain forces in a society and you have to understand why.

VOA: special.2011.03.20

The lapse makes a certain kind of sense, I think, because it's virginity and not married chastity that the Lady imagines will allow her to demonstrate such a remarkable show of rhetorical strength.

我认为这一疏忽是有一定意义的，因为是女士想象的童贞,而并非婚姻贞节使得她,展现出如此强大的话语权。

耶鲁公开课 - 弥尔顿课程节选

Victory was not yet certain.

VOA: special.2010.05.31

The northern states by the Antebellum Period 1820s,1830s,1840s-- was beginning to sort of hurtle toward a different future than what that slave society was perhaps--no, not really slowly it too was hurtling toward a certain future.

北方在战前,也就是19世纪20至40年代,就急速开始朝着,和奴隶社会完全不同的方向发展,但是南方奴隶社会的发展得也不是很慢,它也在飞驰向一个确定的未来

耶鲁公开课 - 美国内战与重建课程节选

But we are not going to know for certain which approach makes sense until additional data is in."

VOA: standard.2010.07.16

I think this is a case where they need help, not deserve it, but I think, again, if you had a certain level of requirements to meet sustenance, you're gonna need help, like, if you don't have food or a place to live, that's a case of need.

我认为这个例子中，他们需要帮助，但并不他们是应得的，不过我认为，如果你在一定程度上需要他人救助以维持生计，你就需要别人的帮助，比如，如果你没东西吃，没地方住，这才是需要帮助。

耶鲁公开课 - 公正课程节选

Because certain things that government should provide to enhance those people doing the job are not there."

VOA: standard.2009.07.30

Or perhaps, you could be trying to explain that you don't know whether you can do something or not by a certain date.

又或者，你正在试图解释你没法确定你是否能在一个指定日期前做完某件事。

I don't know 课堂 - SpeakingMax英语口语达人

But,they say they will not let the president off the hook until a number of important questions are answered and certain reprehensible acts are ended.

VOA: standard.2009.03.21

It's not like there are certain parts of town where rich people,

并没有哪个地方有那么固定的一部分全都是富人，

美国贫富差距？ - SpeakingMax英语口语达人

Hashibe says it is not clear how coffee might protect drinkers from certain cancers.

VOA: standard.2010.06.30

Now, the other nice thing about viruses is not only are they very efficient but most viruses are specific for certain kinds of cells.

病毒的另一个绝妙之处在于,它们不仅高效,对特定细胞的特异性也很好

耶鲁公开课 - 生物医学工程探索课程节选

They are not allowed to smoke within a certain distance of those buildings.

VOA: standard.2010.02.18

It is not enough merely to speak the same words, but in a sense, citizens must have certain common experiences, certain common memory and experience that shape a city and the people.

仅是说相同的话还不够，另一方面，公民还必需,要有特定的共同经历，特定的共同记忆,与形塑城市与人民的经历。

耶鲁公开课 - 政治哲学导论课程节选

But again, the elements were harsh, finding food may not have been easy, and certain sorts of diets would prevail over others, where there would be a lot of certain nutrients and few of other ones.

可是,自然环境是恶劣的,寻找食物一点也不简单,不过某些食物相对其他更为常见些,其富含有某些营养成分,但缺乏其他的

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选