为了保持健康，我们应该坚持健康的饮食习惯。

We should stick to healthy eating habits to keep fit.

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下学期，请注意你的体重，并坚持运动以保持健康。

Next term, please pay attention to your weight and keep doing sports to keep fit.

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玛丽莎·托梅和碧昂斯坚持转呼啦圈来保持她们动人的身材，这是有原因的，转呼啦圈可是消耗脂肪和卡路里的一大攻略。

There's a reason Marisa Tomei and Beyoncé hoop to keep their bodies beautiful—it's a major fat-and-calorie torcher.

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