结论就是，技术上L3当然不能被跳过。但商业上，车企在资源分配上，可以选择发力点L3还是L4。他们在赌，看谁先等来政策松绑。
Demographics and interest reports:
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In the Air Force, she stood out from the crowd and was selected to join the astronaut programme. She was to fly Space Shuttles - Nasa's reusable "space planes".