首先要尽量多呼吸新鲜空气，然后是多做户外运动，尽量选择树木较多的地方。
The first step is to get as much as pure air as possible. Prefer outdoor exercise and look for a place with plenty of trees.
首先要尽量多呼吸新鲜空气，然后是多做户外运动，尽量选择树木较多的地方。
The first step is to get as much as pure air as possible. Prefer outdoor exercise and look for a place with plenty of trees.
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