Useful Expressions 人才 talents 顾客至上 customer orientation 商业发票 commercial invoice 信用证 L/C(Letter of Credit) 运输标记 (shipping) marks 单价 unit price 销售合同 sales confirmation 毛重 gross weight 品名及规格 descriptionsUseful Expressions talents customer orientation commercial invoice L/C (Letter of Credit) (shipping) marks unit price sales confirmation gross weight descriptions 人才 顾客至上 商业发票 信用证 运输标记 单价 销售合同 毛重 品名及规格