"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 also, if you want to live cheaply, and buy bargains, you can do that, too.

还有，如果你想节俭地生活，买便宜货，你也可以那样做。

街上的售票员 - SpeakingMax英语口语达人