With human supervisors in the passenger seat, seven test cars have driven 1,000 miles without human intervention and more than 140,000 miles with only occasional human control.

7辆测试车都有人坐在乘客座位上监视，在不需要人干预的情况下这些车已经开了1000英里。 如果要开14万英里以上，人只需偶尔地控制一下车辆。

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With human supervisors in the passenger seat, seven test cars have driven 1, 000 miles without human intervention and more than 140, 000 miles with only occasional human control.

7辆测试车都有人坐在乘客座位上监视，在不需要人干预的情况下这些车已经开了1000英里。如果要开14万英里以上，人只需偶尔地控制一下车辆。

youdao