其中，材料成本、门店租金及其他运营成本、折旧与摊销费用、销售与营销费用、一般及行政费用等同比增长在32%左右，基本与营收保持了同幅增长，占营收的比重也基本保持稳定，可见，瑞幸无愧于“效率之王”的称号。
Web streams are complex for users and implementers alike. The problems with the spec aren't bugs. They emerge from using the API exactly as designed. They aren't issues that can be fixed solely through incremental improvements. They're consequences of fundamental design choices. To improve things we need different foundations.，更多细节参见新收录的资料
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