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1·Travel does not have to cost the Earth - or even money.

旅行并不一定要消耗地球资源，甚至钱。

2·The risk is that such criteria could be used to justify rules that cost the earth.

然而，该法规的风险在于，这样的标准可能被用于评定开支巨大的规定的合理性。

3·The eco-light is good for earth, and it's cost-effective and convenient, because it doesn't have to be changed every few months.

环保灯对地球来说是好的，而且它很省钱、方便，因为它不需要每隔几个月就更换一次。

4·These will be the low-cost producers, and low-cost producers will inherit the earth.

这些都有助成为低成本生产商，而低成本生产商将与生俱来。

5·We’re going to pay for it later as the rising cost of polluting our earth and heating up our climate comes to collect its toll.

为了治理地球上的环境污染和温室效应，我们将支付更多的后续成本，这些成本也许高昂得难以计算。

6·There was also a cost to the rest of life on Earth.

地球上的其余生命也在为此付出代价。

7·Any base would need a water supply. If that water did not have to be shipped from Earth, then the cost of establishing one might be brought down from the totally ridiculous to the merely absurd.

任何基地都需要水，如果水供应不在单单依靠从地球运输，建立基地的成本将会从彻底荒谬到有些荒唐。

8·Much of the shuttle’s business—launching the Hubble telescope, putting up satellites, mapping the Earth—could have been done by unmanned craft, at a fraction of the $174 billion the programme cost.

宇宙飞船上大部分的日常工作——包括放置哈勃望远镜，发射卫星，绘制地图——只需从1740亿美元中的项目开销中拨出少许，即可由无人机完成。

9·By the way, with the so-called suborbital flights, a chance to look at the Earth from 100-160 km height may cost just as little as 200 000 USD.

顺便说一句，借助所谓的亚轨道飞行，从100 - 160千米高空俯视地球或许只要投入20万美元即可。

10·The training cost for Strength of Earth Totem (Rank 5) is now correct.

大地之力图腾(等级5)的训练费用现在正常了。