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？
1、还没有齐全
2、合法的营业执照、卫生证、健康许可证、相关的税务登记证
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 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.
ecommerce：电子商务
laws：法律
