Even today, the sun for humans, is still the most important, it is humanity's most irreplaceable clean source of energy. No matter what way human beings try to make energy, but also more convenient than the sun, more inexhaustible it?
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That, he figures, is the only way we humans can solve our energy problems; enough energy pours down from the sun in one hour to power the planet's energy needs for a year.
他认为，这是我们人类可以解决能源问题的唯一方法—太阳在一小时中通过光线倾泻到地球的能量，可以满足我们这个星球整整一年的能源需求。
Humans have always depended on energy from the sun, though it was exploited mostly indirectly for thousands of years.
人类一向依靠阳光能源，不过几千来主要为间接利用。
Facts about wind, sun and shade qualify the work of the landscape architects in order to provide optimal conditions for both vegetation and humans.
关于风、太阳和影子的现实因素也符合了景观设计师的工作，以便为植物和人提供最佳条件。
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