题目内容
There will always be friends on WeChat forwarding Pinduoduo, asking friends to help bargain, this belongs to ________.
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The expansion of the scope in the development of e-commerce is reflected in ________.
Which of the following e-commerce models have multiple participant types?
What is the development trend of e-commerce reflected by the rapid development of online transactions and payment products?
When there is a dispute in an e-commerce transaction, the ways to resolve the dispute are________.
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