词汇	commercial clause
释义	commercial clause 贸易条款
随便看	challenge of the times Challenge or Overturn challenge ourselves challenge parameters challenge position challenge principle challenge procedure challenger challenger deep Challenger disaster challenge-reply test challenge respect Challenge Response challenge-response challenge response authentication mechanism challenge-response authentication mechanism challenge-response identification challenge-response protocol challenge-response system Challenger Expeditio Challenger Expedition Challenger Fracture Zone Challengeridae Challengeron Challengerondioden