有一个折衷的模式，即汽车基于输入扫描器和摄像头的信号判断，自行驾驶，只需要驾驶员在十字路口进行操控。
The compromise is a mode that has the car driving on its own, basing its decisions on input from scanners and cameras, and only requires the driver to give guidance at crossroads.
这一规划只需每次打开电脑或手机时使用一个简单信号- - -使用一种诸如数码标示、一张智能卡或指纹扫描器这类的装置。
The plan calls for a single sign-in each time a computer or phone is turned on, using a device such as a digital token, a smartcard, or a fingerprint reader.
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