benecessary后面加什么
be necessary for 对……有必要.
例句：
Exposure to nature has been thought to be necessary for brain devel高考病句
opment in children.
人们一直认为，接触大自然对儿童的大脑发育是必要的。
扩展资料
Such a change may not be necessary for your distribution.
对于您所使用的版本可能不需要这种更改。
Would it be necessary for me to pay all the money before the trip?
我必须在旅行出发前支付全部费用吗？
But I'm afraid that it will be necessary for us to ask you to change rooms for the last two nights.
不过，恐怕最后两天我们得请您搬到别的房间去。
