sub·con·tract /ˌsʌbˈkɑnˌtrækt/
  轉包合同,分包合同(vt.)轉包(vi.)轉包工作
  Sub·con·tract n. A contract under, or subordinate to, a previous contract.
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  subcontract
       n : a contract assigning to another party some obligations of a
           prior contract
       v 1: arranged for contracted work to be done by others [syn: farm
            out, job]
       2: work under a subcontract; engage in a subcontract