1.the auto business 汽车行业

例句:Jerry's background is highly unusual for the auto business.
杰里的个人背景对汽车业来说也是极不寻常的。

2.self-driving vehicle 自动驾驶汽车

例句:Your money now backs a prototype self-driving vehicle.
你们的钱现在资助着一辆无人驾驶汽车的样车。

3.in theory 理论上讲

例句:In theory, the buyer could ask the seller to have a test carried out
理论上，买方可以要求卖方进行一次测试。

4.let alone 更不用说；更别提

例句:This kind of animal is rare anywhere in the world, let alone in china.
这种动物慢说国内少有，在全世界也不多。