And next to them on the plate was, it was a sectioned plate, and there were three different dipping sauces that you could use to make them even better.

VOA: special.2010.04.12

And often, if you want to make a lot of it, you have to think about the thermodynamics of the system, how fast the reactions will go and kinetics, and then whether they'll go, the thermodynamics, and sometimes then you need to adjust the reactions, maybe use a transition metal to make it go better.

这种分子就不能正常工作，而且通常来说,如果你要大量生产一个东西,你必须考虑系统的热力学，反应速率和动力学,还有反应是否会发生，热力学，而且有时候你需要调整反应的发生。

麻省理工公开课 - 化学原理课程节选

and then use the proceeds, use the profits that you make from selling the product to make the product better.

然后用得到的钱，用销售产品的收入和利润来改进产品。

广告和价格的关系 - SpeakingMax英语口语达人

The researchers say public health officials could use the study to plan programs that will help people make better lifestyle choices.

VOA: standard.2010.04.08

how can we use this to make the world a better place.

我们如何用它来营造一个更加美好的世界。

干细胞和伦理 - SpeakingMax英语口语达人