1.
Is it necessary for us to look into the matter ?
有没有必要调查这件事？
2.
Was it necessary that my uncle should be informed?
有必要通知我叔叔吗？
3.
Is there any need for you to go there?
你有必要去那里吗?
4.
There is no need to reinvent the wheel.
没有必要再做无用功。
5.
It is necessary to chip off the bark of the tree.
有必要把这树皮扒下来。
6.
The entry of all expenditure is necessary.
有必要把一切开支入帐.
7.
Is there any hurry about it?
有必要这样匆匆忙忙吗？
8.
In this case surgery is indicated.
这种病例有必要动手术。
9.
There is no hurry to make a decision.
没有必要匆忙作出决定。
10.
It was now necessary for them to go into hiding.
这时他们有必要藏起来。
11.
It is necessary for us to meet again.
我们有必要再见一次面.
12.
REPAIR THE GROUND AS NECESSARY.
如有必要，维修接地端。＊
13.
It is necessary that all wrong cases should be corrected.
纠正错案这很有必要。
14.
Large corporations have the financial strength.
大公司拥有必要的财力。
15.
There is no sense to worry about that.
没有必要为此而着急。
16.
There is still need for profit restraint.
现在仍有必要限制利润。
17.
Take it easy. There's no point in hurrying up.
放松点，没有必要着急。
18.
No need for self-discipline.
没有必要自我训练。