錯. 渴的時候才喝水是對的. 不可以要求自己一天至少要喝若干量的水.

當然, 也不能像有些人, 根本不去注意自己身體的訊息, 明明渴了卻拖著不喝水.

etta: Drink water only when feeling thirsty and don't force yourself to drink a certain amount of water. That's what she means.

oh, I misread it