1.第二季以后，周清包子铺都已经在网上卖包子了，所有经营资质都齐全了吗？需要有哪些证件？

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2.阅读一篇以上ecommerce laws相关英文文章，按最新要求列出相关内容

Many people shy away from starting an online store because of the startup costs and fulfillment hassles. But imagine if someone offered to pay your up-front inventory costs on thousands of items and manage your fulfillment operations. It'd be much easier to get started, and you could run your business from anywhere in the world.