Malaria, Lymes Disease, Bebesia can be carried by insects and with Rabies, will likely grow out of control without human intervention.

各种昆虫会带来疟疾、莱姆病或巴贝斯虫病，类似于狂犬病的病毒性疾病在缺少人类的控制之下会一发而不可收拾。

youdao

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

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

The firm has just successfully completed tests on a 30 kW prototype to see if its control system lets it launch, hover, generate power and land without human intervention.

BBC: Google acquires kite-power generator