be good for

动词值得，有效; 利于

They might be good for you, but I am a hermit and never meet new people.(它们对你来说可能是有用，不过我是个隐士，从不见新的人。)

She would be good for the job.(她干这工作很合适。)

In spite of these problems, tourism can be good for communities and the environment.(尽管存在这些问题，旅游业可以对社区和环境有好处。)

Doctors used carrot seeds and roots as medicine on the theory that foods that taste bad must be good for you.(医生们以胡萝卜籽和胡萝卜根为药，其依据是味道不好的食物对你一定有益。)

Harvey: What day would be good for you?(哈维：那么哪一天对您来说合适呢？)

If gardens and fresh air had been good for her perhaps they would be good for Colin.(如果花园和新鲜空气对她有好处的话，也许对科林也有好处。)

They argued all the time and thought it couldn't be good for the baby.(他们一直在争论，认为这不可能对孩子有好处。)

"It'd be good for him, I'll warrant," Dickon said.(“我保证，这对他有好处。”狄肯说。)

He will never be good for anything as long as he lives!(只要他活着，他就不会有任何好处！)

It's true that as people in developing nations move from the countryside to the city, the shift may reduce the pressure on land, which could, in turn, be good for the environment.(的确，随着发展中国家的人们从农村搬到城市，这种转移可能会减少对土地的压力，这反过来可能有利于环境。)

1. 适于,在......期间有效：be burned out住所被烧光 | be good for适于,在......期间有效 | be grateful to感谢,感激

2.

2. 对...有益：be good at 擅长,在......方面好 | be good for 对...有益 | be the same as ...与...一样

3. 对......有好处：11.想让某人做某事want sb to do sth. | 12.对. . . . . . 有好处be good for | 13.我的饮食习惯my eating habits

4. 对什么有益：24. junk food垃圾食物 | 25. be good for 对什么有益 | 26. be bad for对什么有害

更改约会时间

A：I need to change the time we meet for lunch.
我需要更改我们见面吃午饭的时间。

B：What time would be good for you?
什么时间你合适呢？

A：I‘ll be about half an hour late.
我大概要慢半个小时。

B：Good, I‘ll see you there at 12:30.
好的，十二点我会在那儿与你碰面。