you could characterize them in terms of how they're gated, -- and basically how they open or close -- that's one way to talk about different types.

你可以通过闸门的类型来描述它们，这基本上也就是看它们是如何打开或关闭的-,这是一种讨论不同类型的方法。

麻省理工公开课 - 化学原理课程节选

Organizers say they're open to at least one more last-minute addition.

CNN: Endangered turtles race to save their future

Afghans see billions of dollars pouring in and they see foreigners driving around in land cruisers, living in houses with big generators, while they're still dealing with open sewers and power, perhaps, one day in three.

NPR: Truck Accident Sparks Riots in Afghanistan

While an open source approach isn't the right solution for every software need, using and contributing back to open source software is one way that we're making it easier for the government to share data, improve tools and services, and return value to taxpayers.

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