"advancement, payment on account" 垫付
"bottleneck" restrictions 瓶颈制约
"fair, meeting" 洽谈会
"off-grade goods, rejects" 等外品
"subunderwriting, distribution" (产品）分销
"two-for-one offer, buy one get one free" 买一送一
IPRs (Intellectual property rights) 知识产权
(of two countries or companies) have complementary advantages 优势互补
“closed-door” policy 闭关政