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？

营业执照 健康证 卫生许可证 税务登记证 组织机构代码证 

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

Ecommerce Legals and Law

Ecommerce transactions should be legally straightforward. You get money up front for the sale, in return for delivery of a product as described within the timeframe specified. A standard set of terms and conditions should cover the vast majority of transactions.

https://ecommerceguide.com/guides/ecommerce-legals/