如果你经常在快餐店里吃饭，那么你很难保持一个健康的饮食习惯。

"It is hard to eat a healthy diet when you eat at fast-food restaurants often," the site goes on to say.

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如果人们想保持健康，他们必须保持一个好心情，经常锻炼，并保持良好的饮食习惯。

If people want to keep healthy, they have to keep a good mood, exercise frequently, and keep a good diet.

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有一个好的饮食习惯，加上一些锻炼，是你保持健康的关键。

Having a good eating habit with some exercise is the key to your health.

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