Other cultures focused more on an ethics of divinity where notions such as purity, sanctity, pollution and sin are relevant.

还有的文化则重于神性道德,他们的道德则与纯结，神圣，亵渎，罪孽等有关。

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It's a bit more ethical because you don't have to worry about all the pollution

这样做很符合社会公德，因为你不用担心会产生污染，

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But again, the more people cycle, the less pollution we have.

但是再次地，人们骑自行车越多，污染就会越少。

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But we need to become more concerned about global warming, pollution,

我们需要更多关注全球变暖、污染问题，

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