双语例句：
Hospital admission is not necessary in most cases.
大多数情况下，病人无须住院。
The report concluded that no substantive changes were necessary.
报告的结论是，无须作任何重大变更。
It might be necessary to make a few slight modifications to the design.
也许有必要对这个设计稍作几处修改。
We are willing to make any concessions necessary to this end.
为达到此目的我们愿作出任何必要的让步。
We are still looking for someone who combines all the necessary qualities.
我们仍在寻觅兼备所有必要才能的人选。