self.confidence = metas["cached_confidence"]
其实不只是汽车，所有的智能控制系统都应该有手动控制的安全冗余。就算是智能门锁，也应该具有手动开锁和开门装置，不然一旦断电，就可能无法开门，紧急情况下，有可能造成严重的后果。
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Most Emacs users split the Emacs window and start a shell inside
There are some well established patterns that can be used to design applications in a modular way. These concepts can be used to enforce the characteristics described above, so don’t be surprised they’re highly related.