be good for......对......有益
A bowl of hot chicken soup is good for you.
喝一碗热鸡汤对你有好处。
This ointment is good for soothing skin rashes.
这软膏对减轻皮肤红疹有用。
The passport is good for five years.
这护照五年有效。
A sight of you, Mr Harding, is good for sore eyes.
哈定先生，一看见了你，使人觉得心旷神怡。
Is it true that classical music is good for an unborn baby?
古典音乐是不是真的对胎教有好处？
Doing exercises in the open air is good for your health.
露天锻炼身体有益你的健康。
thanks