unit 1 business convention and exhibition 会展 unit 2 inquiry; offer and counter-offer 询盘、报盘与还盘 unit 3 acceptance or conclusion of business 接受或成交 unit 4 credit inquiry 资信调查 unit 5 order and confirm 订购与确认 unit 6 payment 支付 unit 7 business insurance 物流 unit 9 ints and reply on product and service 商业保险 references 参文献
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