1. unsealed goods; the letter arrived unsealed. 
   打开的货物；信函送到时是开着口的。
2. his doom is as yet unsealed. 
   还未公布对他的判决。
3. not sealed or having been unsealed. 
   不密封的，被打开的。
4. joint management, joint purchase, joint sales 
   联营、联购、联销
5. joint commission of inquiry or joint committee 
   联合调查委员会或联合委员会

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