L3因为是人车共驾，责任划分、保险赔付等方方面面都需要考虑到。而L4不存在这个问题，出了事就是厂家负责。因为责任明晰，所以落地争议也较少，这就是现状。但是只要法律层面解决L3的责任划分问题，大规模普及也并不是遥遥无期。
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。关于这个话题，im钱包官方下载提供了深入分析
МИД России вызвал посла Нидерландов20:44
I do not want to promote techsolutionism nor do I want people to feel falsely secure. It's still an imperfect approach and propably always will be. It's not all good only because this app exists now. We need better solutions to curb on surveilance tech and privacy intrution.