不必的英文：
need not

参考例句：
  • Please don't apologize
    请不必向我道歉。
  • You needn't be oversensitive. It has nothing to do with me.
    你不必多心，这事与我无关。
  • Help yourself without ceremony.
    请随意吃(不必客气。)
  • The components of the intranet do not have to be in one local geographic area.
    企业内部网组件不必在本地地理区域内。
  • The new road obviates the need to drive through the town.
    有了新路,车辆不必再穿行市区了
  • Children below 120 cm needn't pay fare.
    120公分以下的小孩不必买票。
  • Do not worry about that. I am sure they 'll understand.
    你不必担心这一点。我相信他们会理解的。
  • To find the causes of the problem, we need look no further afield than our own department.
    要找出问题所在，不必超出我们本部门的范围。
  • But stop biting your finger-nails. Public speaking is easy.
    但是你不必紧张兮兮的。演讲其实很容易。
  • If we go on a package tour, we don't have to worry about accommodation, meals during the day, etc.
    如果我们进行一揽子旅游，我们就不必为膳宿这类事操心了。
need是什么意思：
v. 需要
n. 需要，必要；需要的东西；需求
  • We need to provide for everything we will need for the trip.
    我们必须准备所有旅行要用的东西。
  • You need money and time, in addition, you need diligence.
    你需要金钱和时间，此外你还需要努力。
  • Do you need to wee?
    你要撒尿吗？
  • Need you go so soon?
    你需要这么早走吗?
  • They need our help.
    他们需要我们帮助。

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