防病的用法和樣例：
例句
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許多醫生推薦含有豐富食物纖維的天然食物，因為它有助于防止便秘，以取代萬(wàn)不得已而使用的瀉藥。原因顯而易見(jiàn)－治病總是不如防病。
Many doctors prefer a natural food, rich in dietary fibre, which will help you to avoid constipation, rather than having to resort to purgatives. The reason is obvious-prevention is always better than cure. -
好的飲食習慣有助于強身防病。
Good eating habits help to fortify the body against disease. -
預防勝于治療（治病不如防?。?。
Prevention is better than cure.
