为了偿还你的房屋贷款，你可能每月要付额外的钞票，而你完全可以不必如此。

You may be shelling out extra dollars for your monthly home loan payment when you don't have to.

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It decreases. If you're still not completely up on the periodic trends, that is stuff that's going to be on the first exam, so make sure that you're able to do this without taking too much time to think about it.

它会降低，如果你还没有完全掌握周期性规律，而这是第一次考试要求的内容，因此请务必做到不用,想太久就能做到这点。

麻省理工公开课 - 化学原理课程节选

You've all been immunized for Hepatitis B, would you be happy to hear that that's where your Hepatitis B vaccine came from?

你们都对乙型肝炎具有免疫力了,如果你知道你的乙型肝炎疫苗,是从何而来的话,你还会高兴的起来吗

耶鲁公开课 - 生物医学工程探索课程节选

You know what that means when they're framed there on the wall with their coupons still attached?

你知道吗,当债券陈列在墙上,而息票还贴在上面的时候

耶鲁公开课 - 金融市场课程节选