智慧城市可以为人们提供最新的技术，以收集信息和管理资源，而且应该有一个清洁和可持续的环境。

A smart city can provide the latest technology for people to collect information and manage resources and should have a clean and sustainable environment.

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它在全球范围内催生了数千个项目，代表了民主政治、粮食主权、生物多样性和可持续农业。

It has given rise to thousands of projects around the globe, representing democratic politics, food sovereignty, biodiversity and sustainable agriculture.

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为了节省资金、使用更少的资源并减少浪费，他们支持使用自来水和可重复使用的瓶子，而不是瓶装水。

In order to save money, use fewer resources, and create less waste, they support using tap water and reusable bottles rather than bottled water.

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Now Isaac Newton and/or Joseph Raphson figured out how to do this kind of thing for all differentiable functions.

既然牛顿和拉复生已经,指数了如何解这种可导函数,因此我们就不用太担心了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Importantly, though, morning and dawn are also seen as moments of passion.

但重要的是黎明和早上,都可被视为激情的时刻。

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Technically, Fannie and Freddie are private companies -they're traded stocks; you can buy shares in Fannie and Freddie.

技术上,房利美和房地美都是私人公司,它们的股票可流通,你可以购买房利美和房地美的股票

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