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;
