If you take more physical exercise, you will not catch a cold so easily.

多参加些体育锻炼，你就不那么容易感冒了。

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With fresh air to breathe, less crowded living conditions, and more chances to take part in physical exercise, children in the country are usually healthier than those in the city.

乡下的孩子有新鲜的空气可以呼吸，生活环境不那么拥挤，有更多的机会参加体育锻炼，所以他们通常比城市中的孩子健康。

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Only in this way can we have spare time to do more physical exercise to make us stronger, and to take part in social activities to make us mentally and physically healthier.

只有这样，我们才会有空闲时间去做运动，让自己更强壮，还可以参加一些社交活动，使我们在精神和身体上更健康。

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