And in this case we're going to look at silicone, and we'll say if you can point out to me which requires the least amount of energy.

这次我们要做的是关于硅的，我们来看看大家是不是,能够为我指出那一项需要消耗的能量最少。

麻省理工公开课 - 化学原理课程节选

Nonetheless, finding out about health risks hidden in your genes still seems to me the kind of news that at least requires you make available a trained genetic counselor to help you deal with it.

CNN: Get ready for the risks of genetic testing

Let me -- let me repeat this: nothing in our plan requires you to change what you have.

CNN: Obama offers health care details in speech to Congress

It is one of the fifty states that requires you to have car insurance and at least one of them, Massachusetts, tells me I have to have health insurance (Although the penalty like the penalty proposed under Obamacare is not all that onerous).

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