She gives life to all the living things on the earth and provides us with air, food, water and other essential things we need for living.

她给了地球上所有生物生命，给我们提供生活所必需的空气、食物、水和一切基本的需要。

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And while the planet is likely too chilly to make a good home, it gives us hope that smaller, Earth-sized planets may be abundant.

因此，天文学家认为MOA-192 b 不会像地球这样气候宜人，而是像海王星一样，是一个冰冷的气态行星。 虽然要在这颗行星上安家太冷了，但是它给予我们希望，或许地球这样尺寸的较小行星还是挺多的。

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Maybe it won't fix droughts on Earth but understanding the laws of nature nonetheless gives us a terrestrial tool kit.

也许并不能籍此解决地球的干旱问题，但不管怎样，了解了自然规律都会让我们地球人得到一个工具包的。

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Just as Mars -- a desert planet -- gives us insights into global climate change on Earth, the promise awaits for bringing back to life portions of the Red Planet through the application of Earth Science to its similar chemistry, possibly reawakening its life-bearing potential.

CNN: Commentary: Let's aim for Mars