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infrastructure scenario 基础设施情景 student collateralized installment 助学抵押分期产品 cost of carry delivery 持仓成本交割 equal principal netting 等额本金轧差 insurance-trust escrow 保信保管 vr announcement VR首曝公布 annual transfer fee 年度转会费 dolly track 轨道 external border inspector 外部边检人员 export same-city 出口同城 thunder first sound local risk 初雷局地风险 lotto test number 乐透型试机号 inclusive food sampling 包容食品抽检 volume limit trial international trial 限音量试点国际试点 budget desktop 平价桌面 students host workshops 吉他学生举办工作坊 mwc charity fraud MWC通信展公益欺诈 summit offline meeting 峰会线下见面会 botched job licensed rebuild 粗劣工作持证重建 car engine noise mobile guarantee 发动机异响上门保证 gorilla tape curbside breakdown 大猩猩胶路边故障 hidden fee winter band aid 隐藏费用冬季权宜之计 laptop fan loud homemade inspection 笔记本风扇响自制检查 laptop keyboard broken corrosive cost 笔记本键盘坏腐蚀费用