虽然从来没被证实过，但很多营养学家已经相信，晚吃饭的癖好会成为使体重增加的一个因素。

And thattendency to eat late, though it has never been tested properly, is believed bymany nutritionists to be a factor in putting on weight.

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但是这些机器人将不再被当作玩具。虽然有些迟晚，但机器人工程师们已逐渐认识到他们已经错失了一个机会。

They are toys no longer, though, for it has belatedly dawned on robot engineers that they are missing a trick.

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但往往明白的时候已经什么都晚。

But often clear time anything was already late.

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