One important piece of the weight loss puzzle, though, is your metabolism, which you may not think about at all.

但是，关于减肥这件事，新陈代谢才是关键，而你可能对此知之甚少。

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One-piece cylinder and crankcase assembly provides superior engine rigidity and light weight.

单件气缸和曲轴箱总成发动机提供卓越的刚性，重量轻。

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One-piece cylinder and crankcase assembly provides superior engine rigidity and light weight.

单件气缸和曲轴箱总成发动机提供卓越的刚性，重量轻。

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