The sense of let-down today is all the greater because in the past doctors have been over-confident about these treatments.

今天的幻灭感尤其强烈，原因是过去医生们对这些治疗过度自信。

《柯林斯英汉双解大词典》

It's called that because in the old days, people let their cattles stray on the area, which was common land.

之所以叫这个名字，是因为在过去，人们让他们的牛在这片公共土地上游荡。

youdao

Also known as the key, because in the early years it was key-shaped.

同时也称作钥匙，因为早期通道都是钥匙形状的。

youdao

"First of all, I want everybody here to be careful about what you post on Facebook because in the YouTube age, whatever you do, it will be pulled up again later somewhere in your life.

VOA: special.2009.09.14

You need to take a pragmatic approach, because in the beginning, we saw the portal companies, well, feed us.

采取切实有效的方法，因为一开始，可以找到门户网站。

斯坦福公开课 - 百度CEO李彦宏演讲：全球最大搜索引擎的发展课程节选

I don't like that idea. Especially because in the vast majority of physical punishment cases,

我不喜欢这个观念。尤其是考虑到大多数体罚的案例，

反对体罚 - SpeakingMax英语口语达人

Because in the eight years after Bill Clinton left office, his policies were reversed.

WHITEHOUSE: Remarks by the President at a Campaign Event -- Green Bay, WI

Because in the coming weeks, you're going to have a big choice to make, Nevada.

WHITEHOUSE: Remarks by the President at a Campaign Event

Because in the beginning we were competing against two other firms for the business.

FORBES: Your Project Failed? Don't Blame Microsoft. Blame Me.