Often the company would use mules instead of horses to pull its stagecoaches because the Indians had no interest in mules.

VOA: special.2010.04.26

And so, he has put this chemistry to use in this robotic arm and they call it Fido, because often dogs are the creatures that have to go out and detect these things, and it's not a great job if you're a dog to be sent out to see whether there was an explosive and discover yes, there was, a little bit too late.

因为通常都是派狗去检查这些东西,这个不是个好工作，如果你是一只狗,被派去检查是否有爆炸物，然后你发现有,那就来不及了,所以用机器手检查化学物质。

麻省理工公开课 - 化学原理课程节选

But you probably should use often because hey, who doesn't get frustrated?

但你也许该多多运用它，因为毕竟，谁不会感到沮丧呢？

I'm frustrated 课堂 - SpeakingMax英语口语达人

She never became famous for her discoveries because she often sold her fossils to get money to support her family.

VOA: special.2009.05.13

What is a Little Magazine? Well, very often they were big They were little because their circulation was small.

那么小杂志是什么？，其实它们大多是比较大型的,之所以说它们“小“是因为发行量。

耶鲁公开课 - 现代诗歌课程节选

This is partly because women are often more excluded from financial services and educational opportunities than men.

VOA: special.2010.06.16

This is a point that is often confusing, because you can think, well maybe I could calculate what the internal pressure is even for this very rapid process.

这一点可能让你们很困惑，因为你们可以想象这个过程，我也可以计算在这快速的变化中,内部压强是多大。

麻省理工公开课 - 热力学与动力学课程节选

This was often dangerous, because guards on the train would throw the men off or arrest them.

VOA: special.2010.06.13

it becomes especially important 4 kids who're outsiders kids who are alienated within the school community, because those kids often feel like there's no safe haven for them in the school.

对于在学校里是局外人身份的孩子来说很重要,他们被学校集体所遗弃，因为他们常常觉得,在学校里面他们找不到避难所。

麻省理工公开课 - 媒体、教育、市场课程节选

He was not to be served because he visited the bar often and did not behave well.

VOA: special.2010.01.08

Let's put zero here because these are not gross returns these are returns, so they're often negative.

这里做零点,注意这不是总收益,而是年度收益,有可能是负数的

耶鲁公开课 - 金融市场课程节选

Because of its size and influence with suppliers and buyers, Wal-Mart's policies often receive wide public attention.

VOA: special.2009.07.17

People should feel free to correct my arithmetic because it's often wrong; 90 right? Two-thirds of 90, whoops, what do I need, start again.

我要是算错了要提醒我,我总算错,90对吧,90的2/3,我说错了

耶鲁公开课 - 博弈论课程节选

Because each disease often affects different organs, many experts might be needed to treat the disorder.

VOA: special.2009.04.14

Because very often,with very good intentions, we may fall short of what we are capable of doing, or in some situations,even hurt more than help.

因为很多时候，即使有很好的意愿，我们的能力还是有限，或在某些情况下，我们带来的伤害多于帮助。

哈佛公开课 - 幸福课课程节选

Young Woody often had to work instead of attending school because his family was poor.

VOA: special.2010.06.13

Because they can often still communicate in various ways, we don't quite get that.

因为人们有很多种方式进行沟通,我们对此还没有很深刻的研究。

耶鲁公开课 - 死亡课程节选

She often painted animal bones because of their interesting shapes and simple beauty.

VOA: special.2010.08.04

Now you keep on trying and because the reinforcement is intermittent you don't expect it as much and so your behavior will persist across often a huge amount of time.

你会不停的尝试,因为此时的强化是间隔强化,你并不会抱有很高的期望,因此，你的行为,通常会持续相当长的一段时间。

耶鲁公开课 - 心理学导论课程节选

Because so often, especially with guys,you'll say, 'Hey,we had Valentine's Day.

VOA: special.2010.02.08

Now this is a little counterintuitive, because very often people underestimate the amount of calories in things, but what's important here is the-- the error, the size of the error.

这与我们的直觉有些相反,因为经常性地,大家低估了卡路里含量,重要的是,误差和误差的大小

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Hand-me-downs are great because clothes often cost too much money.

VOA: special.2010.05.09

Well, I was actually very impressed of his demeanor because just by the fact that it was his genius that his film were still often ill-received by the production companies in America.

我确实被他风度倾倒,因为他的天才,他的电影并不被,美国电影公司接受。

麻省理工公开课 - 电影哲学课程节选

This is often because of religious or cultural reasons.

VOA: special.2009.09.08

It turns out that if you give one child in a home the oral vaccine, you often have a protective effect in other children in the home as well because it spreads from one individual to another.

结果显示,如果给一个家庭中的,一个孩子服用了口服疫苗,就等于给家中的其他孩子,同样进行了保护,因为它会在个体之间进行传播

耶鲁公开课 - 生物医学工程探索课程节选

"We must stop the shark-finning which is resulting in the death of thirty to seventy million sharks each year because that has so upset ocean ecology by the removal of these often apex, top-level predators."

VOA: special.2011.03.15

That's why your operating systems and your personal computers often crash for no apparent reason. Just because two things happen to, once in a while, occur at the same time.

这就是为什么你的电脑或者操作系统,经常会毫无预兆的崩溃了,这是因为两件事情正好同时发生了，通常还有人工输入。

麻省理工公开课 - 计算机科学及编程导论课程节选

Because many immigrants are from countries where authorities can be trusted, they're often afraid to report crimes in the U.S.

VOA: standard.2010.07.22

Whenever your church would get a copy of one of these letters from Paul,you would have scribes,often slaves, because slaves were especially trained to be scribes.

当一个教会得到保罗书信的一份副本时,你就要让抄写员，他们通常是奴隶，因为奴隶被专门训练成为抄写员。

耶鲁公开课 - 新约课程节选

And it often doesn't go all the way, because actually this device gets stuck right there.

它常常不一致，因为实际上这个装置在那被卡住了。

麻省理工公开课 - 化学原理课程节选