become operative

英 美
  • 生效
  • become v.变成;成为;变得;适合(某人);使(人)显得漂亮
  • operative adj.有效的;至关重要的;运作的n.技工;侦探
    1. When does the new system become effective?
      新制度何时生效?
    2. This law becomes operative immediately.
      本法规即时生效。