"Our goal is to make a very inexpensive stove let's say five dollars that makes very,very little smoke, so it's safe for health, diminishes global warming and diminishes deforestation.

VOA: special.2010.02.01

A vaccination, for it to work around the world, has to be inexpensive, transportable, possible to use without advanced medical personnel, and those kinds of things.

而疫苗接种,为了能适用于全世界,它必须便宜,便于运输,还要能在没有高级医生的情况下使用,它应该具有诸如此类的特点

耶鲁公开课 - 生物医学工程探索课程节选

I mean, it's actually a state school. So it's very inexpensive for the people who live in the state.

我的意思是，它实际上是一所公立学校。所以对住在这个州的人来说，学费很便宜。

和设计专业的朋友 - SpeakingMax英语口语达人

The CDC can buy this from the manufacturer for a lower price, and when you hear about government organizations distributing vaccines to different parts of the world, they're buying at a reduced rate but it's still not inexpensive.

疾控中心可以从工厂拿到较低价格的疫苗,当你听到,政府组织向世界各地,分发派送疫苗时,他们确实给的是折扣价,但却并不那么廉价

耶鲁公开课 - 生物医学工程探索课程节选