一项广泛的研究现实就算一个人能一边打电话地同时发及时信息，一心多用还是会降低你的生产力。

A wide range of research has shown that even if you can talk on the phone and use email and im at the same time, multitasking decreases your productivity.

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一个人一天能勉强下咽的绿藻实在有限，而且，就算一个人只吃绿藻，小球藻每天能为人类提供的养分也只达到人类所需的十分之一。

But a human can only choke down so much algae each day. Even if algae was all one ate, chlorella only provides 10 percent of the daily nutrients a person needs.

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就算没有一个人赞成我的意见，那又怎么样？

So what if nobody else agrees with me?

《牛津词典》

Every child, every one of you, every one of us was brought up to know that one must never do wrong, even if good consequences are seen to follow.

每一个小孩，在座的各位，我们每一个人都从小被教育,不要做坏事，就算结果是善也不行。

耶鲁公开课 - 政治哲学导论课程节选