“.对我们有好处”翻译成英语时下面那种对 is good for us are good for us 拜托讲得越细越好

选择is(主语单数或不可数)还是are(主语复数)是看主语是单数还是复数.
例如:蔬菜对我们有好处Vegetables are good for us.
做运动对我们有好处Exercise is good for us.(运动不可数)
还有的句型It is good for us to do sth.(to do sth.解释it的内容)
例句：It is good for us to do exercise.