V-T If something necessitates an event, action, or situation, it makes it necessary. 使成为必需 [正式]
A prolonged drought had necessitated the introduction of water rationing.
一场持续的干旱使定量供水的引进成为必需。
Coexistence necessitates the total noninterference by any power in the internal affairs of another.
共处必需是任何国家都决不干涉别国的内部事务。
Obviously, this necessitates a change in the definition file as well
显然，还必须修改定义文件
Doing so often necessitates the addition of casts to get the code to compile.
这样做经常需要添加类型强制转换来编译代码。
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