教案名称 开放时间 添加时间
     Unit 1 Introduction of E-commerce 2025-09-27 14:19 至 2026-03-26 14:19 2025-09-27 14:21
     Unit 2 Establish Business Relations 2025-10-30 14:07 至 2026-04-28 14:07 2025-10-30 14:07
     Unit 3 Inquiry 2025-12-15 13:07 至 2026-06-13 13:07 2025-12-15 13:07
     Unit 4 Offer & Counter-offer 2026-01-01 11:20 至 2026-06-30 11:20 2026-01-01 11:21