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。
While the acoustic deterrent costs £50m, the wider fish‑protection system - including larger inlet heads and a return pipe for fish - will bring the cost to £700m.
，详情可参考WPS下载最新地址
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