Now they doubt only its capacity to do so.

现在看来要担心的仅仅只是能力问题了.

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Dearer food has the capacity to do enormous good and enormous harm.

更贵的食品能带来巨大的好处也能带来巨大的害处.

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The capacity to do work is called energy.

做功的本领叫做能.

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Energy is the capacity to do work.

有能才能做功.

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