So, if you could make automobiles with a high magnesium content, you would reduce the mass, reduce the energy required, and thereby reduce the environmental impact.
所以,如果你能用含镁量,很高的材料来制造手机,你就能减轻手机的质量,减少制造所需能量,因此减轻了对环境的破坏。
because we haven't passed new environmental laws to help with climate change yet.
因为我们目前还没有通过应对气候变化的新的环境法。
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