In school, you probably learned that materials like wood, glass, and water are made of atoms that stick together to make molecules.

在学校，你可能学过像木头，玻璃以及水这样的物质是由原子聚集而成的，从而形成分子。

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Very often when you tackle big problems like water, you look at big issues like infrastructure. But you don't very often see the small ideas which are very efficient.

当人们解决像水这样的重大问题时，他们通常会注重于像基础设施这样的大事项，而很少会重视很有效的小创意。

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Just like you splash dirty water on others then you stand by saying "How dirty you are!" I will never be them!

先向一个人主动泼脏水，然后站到一边说：“哟，你好脏。” 我是不会这么做的，这样做的话，我和他们有什么区别呢？

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You can also perform a test. Take some of the material and add enough water to it to make it seem like you are making bread.

VOA: special.2009.09.14

As you walk across the plank that connects Brooklyn to lower Manhattan, you are transported from a world of electricity, hot water, and street life, to one that feels like a dark movie set.

FORBES: Dispatches From Post-Sandy New York: The Darkness of Lower Manhattan