对不起，我的任务没完成。主要原因是我这星期有许多其他工作要做。

I'm sorry my assignment isn't finished. The thing is, I've had a lot of other work this week.

《牛津词典》

关于这件事我有几点看法，这就是我写信给你的原因。

I have some comments to make in relation to this matter, and that's why I am writing to you.

youdao

我喜欢星期五的一个原因是那天有我在学校最喜欢上的课程：体育课和化学课。

One reason I like Fridays is because I have my favorite subjects at school: PE and chemistry.

youdao

Well, there are two reasons, one because I want you to hear literary art.

有两个原因，其一，因为我希望你们能听到文学的艺术。

耶鲁公开课 - 1945年后的美国小说课程节选

And he knew that about himself and I think that's why maybe he turned out okay at the end.

他了解自己，我想或许是因为这个原因，他最后有了一个好结果。

喜欢的书 - SpeakingMax英语口语达人

And part of the reason for putting it up is that I want to, as much as possible, answer that question by separating out the mechanism, which is the computer from computational thinking. Right.

提出这个问题的原因有一部分在于,我想尽量，将计算机与,计算思维分开,来回答它。

麻省理工公开课 - 计算机科学及编程导论课程节选