将新材料做成物品需要许多能量，因而，如果有可能请购买用回收材料制成的物品。
It takes a lot of energy to make things from new materials, _so, if you can, buy things made from recycled materials.
他说，“修复细胞需要许多能量，因此，我会怀疑某些游离的脂肪酸会参与这个过程，被转移到能量循环中。”
"It takes a lot of energy to repair cells so I would suspectthat some of the free fatty acids would participate in this process andbe transferred into that energy cycle, " he says.
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