"We have to make sure that the compound will be sufficiently efficacious to be used in the clinical setting, it has to be safe, and again we can make the drug sufficiently cheaply that it will be appropriate for the use in the clinical setting."

VOA: standard.2010.04.05

And I'll just point out here also, this is a conversion factor you'll use quite frequently -- many of you, quite on accident, will memorize it as you use it over and over again.

你们会经常用到，所以你们可能,会不小心记住它的值，但我们并不会在,任何考试中。

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That will lead me to use a technique I mentioned again last time, called memoization.

这就使得我要是,用我上次提过的一种技术，也就是默记法。

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