VOA慢速英语:Alibaba Sets Sales Record on Singles' Day

transactions – n.  a business deal : an occurrence in which goods, services, or money are passed from one person, account, etc., to another

preliminary – adj. coming before the main part of something

unaudited – v. not conducting a complete and careful examination of the financial records of a business or person

steep – adj.  very high

discounts – n. an amount taken off a regular price : a price reduction

promotions – n. the act of promoting someone or something

sensation – n. someone or something that causes a lot of excitement and interest

channel – n. a system used for sending something (such as information or supplies) from one place or person to another

consumption – n. the act of buying things

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