necessity

• Gradually i began to realize the necessity for a more closely knit organization .
  我逐渐认识到有必要建立一个比较严密的组织。
• Cooper's sea stories are sometimes weakened by the necessity for a heroine .
  库珀的海上小说有时因硬加上一个女主角而显得逊色。
• Import restraints are equivalent to a sales tax and often apply to necessities .
  进口限制相当于销售税，而且往往是针对必需品。
• No necessity of making a living away from home results in neglect of children .
  人们没有必要离开家园去谋生，而使孩子无人照管。
• I should like to hear from you that you would understand the necessity for such a step .
  我希望得知你会理解这是一个必要的步骤。
• She kept up a steady chatter which relieved him of any necessity for conversation .
  她已经把话都说了，解救了他的无话可说之窘了。
• One was full of louis's stuff, the other contained her barest necessities .
  一只箱子里全是路易斯的东西，另一只装了她最起码的必需品。
• It was impossible for archer to discuss the necessity of may's accompanying her father .
  阿切尔不可能去品评梅陪她爸爸有多大的必要性。
• Now he was once again talking about the necessity for sweeping destruction of french industry .
  眼下，他又一再谈到荡平法国工业的必要性。
• The neutrino, although not directly observed, was a theoretical necessity .
  当时中微子虽然还没有直接观察到，但它的存在有理论上的必然性。