参考例句

1. Necessity has no law, and expedience is often one form of necessity.
需要所至无法律，而”为目的不择手段”经常是一种需要。
2. Thisinner necessity is the right of the artist to an unlimited freedom, but this freedom becomes a crime if it is not founded on such a necessity.
这种内在的必要性是正确的艺术家无限的自由，但这种自由成为一种犯罪，如果它不是建立在这样一个危急。
3. Alethic moods indicate logical possibility, impossibility or necessity, whereas different moods are used to indicate other types of possibility/necessity.
真势语气用来表达逻辑上的可能性、不可能性或必要性，而非真势语气用来表达其它类型的可能性或必要性。
4. Wine was more and more becoming a physical necessity to him, and at the same time a moral necessity.
饮酒对于他愈益成为生理上的需要，同时也是精神上的需要。
5. This sample is an absolute necessity in determining the best policy.
对制定最佳策略而言，这种尝试是绝对必要的。

网络释义

consequentially necessarily of necessity perforce
必然地;
Necessity of Atheism
无神论的必要;
flagrant necessity
紧急必要;
be impelled by necessity
迫不得已;
imperious necessity
紧急必要;