这种“重资产”的服务投入，看似是成本支出，实际也为平台赋能产业提供了信用背书：因为背后有了平台兜底，中小商户才敢于接待复杂的国际订单；因为知道遇到困难能获得有效救援，游客也才敢于探索非标的小众目的地。
Colors and finish，推荐阅读safew官方下载获取更多信息
Built-in workflows to get approval on your designs。关于这个话题，Line官方版本下载提供了深入分析
I welcome issues, discussions, and pull requests. If you've run into Web streams problems I haven't covered, or if you see gaps in this approach, let me know. But again, the idea here is not to say "Let's all use this shiny new object!"; it is to kick off a discussion that looks beyond the current status quo of Web Streams and returns back to first principles.