1.1 E-commerce Overview.mp4+ 1.2 B2B&B2C E-commerce model.mp4+ 1.3 E-commerce Basic Mode--C2C E-commerce.mp4+ 2.1 Mobile E-commerce-Overview and WeChat Marketing.mp4+ 2.2 Cross-border E-commerce-Overview and pattern classification.mp4+ 2.3 Cross-border e-commerce-logistics and payment, a typical operation platform.mp4+ 3.1 E-commerce payments-Concept and electronic currency.mp4+ 3.2 E-commerce Payment-Common payment methods.mp4+ 3.3 E-commerce logistics-The relationship between e-commerce and logistics.mp4+ 3.4 E-commerce logistics-e-commerce, logistics model and the future development model.mp4+ 4.1 E-Commerce Law-Legal Knowledge.mp4+ 4.2 E-commerce Law-Crime Issues.mp4+ 5.1 E-Commerce Security and Prevention-An Overview.mp4+ 5.2 E-commerce Security and Prevention-Browser Security Settings and Technical Prevention.mp4+