我因为已经有预约只好拒绝了。

I had to refuse because of a prior engagement.

《牛津词典》

因为已经有了正确的答案。

There is a right answer.

youdao

这里我不想自己编写一个方法，因为已经有几个现成的库。

I was not looking to write my own in this case since there are several libraries already out there.

youdao

As you may have guessed, because you have this on your handout, Milton is alluding here to the famous words of the Old Testament prophet Isaiah.

你们可能已经猜到了，因为讲义上都有，弥尔顿在这儿影射到这些,先知艾赛亚旧约里的一些很有名的词。

耶鲁公开课 - 弥尔顿课程节选

You don't have to read the notes cause you've got the sound in your ears, part of your aural memory.

你不用去看音符,因为你头脑里已经有了声音,这是你听觉记忆的一部分

耶鲁公开课 - 聆听音乐课程节选

And we find there's lots of consumer surplus because the prices are really as low as they ever could be.

并且我们发现有很多消费者剩余,因为价格已经不能再低

耶鲁公开课 - 博弈论课程节选