（三）证据和证据来源，证人姓名和住所。
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.
，这一点在safew官方版本下载中也有详细论述
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"onyxId": "208242625956810752",