This is why you can sit all day and still feel tired.

这就是为什么你坐了一整天，还会感觉累。

youdao

That's why you can never find any towels, even though you buy 200 a month.

这就是为什么你总找不到毛巾，即便你一个月买了200条。

youdao

That's why you can see here such incomprehensible from a technical point of view inserts made of different lining.

这就是为什么镶嵌件会有不同内层结构的原因，从技术角度来看这很不可思议。

youdao

Today we tell you about some new understanding of why cutting the main branch of a plant or tree can lead to better development.

VOA: special.2009.10.13

It's the reason why you can't do organ transplants between people that aren't immunologically matched.

这也就是器官移植,无法在免疫不匹配的个体间进行的原因

耶鲁公开课 - 生物医学工程探索课程节选

And so, you know, that's why you can't film below here.

要知道，这不是一下子能够描述出来的。

恋爱八个年头 - SpeakingMax英语口语达人

Its good you have a conscience, and that is why you can clock out.

FORBES: The Election of the Ant and the Grasshopper

Most people start in Bondi but there's no reason why you can't do it in reverse.

CNN: 24 hours in Sydney: Cocktails, scenic walks ... and sharks?

This is why you can exchange files with people through email without having to include entire applications.

CNN: How do I retrieve a lost file?