authorization [ˌɔ:θərəˈzeɪʃn]

例句:

• You may not enter the security area without authorization.
  未经批准不得进入警戒地区。
  
• Formal authorization for the trip was given last week.
  这次行程上周得到正式批准.
  
• Anglers are required to obtain prior authorization from the park keeper.
  垂钓者必须事先得到公园管理者的许可.
  
• Because of the veto, Congress must now pass a new intelligence authorization bill.
  来自CNN
• But because Internet radio companies operate under a government license, any final agreement needs congressional authorization.
  来自MSN
• In the latter case, the duration must be fixed and the authorization renewed periodically.
  来自UNESCO