1.Driverless cars 无人驾驶汽车

例句:Volvo is doing road tests and says it plans to sell driverless cars by 2020.

沃尔沃正在进行车辆的实地试验，称计划在2020年销售无人驾驶汽车。

2.according to 通过

例句:Prices vary according to the quantity ordered.

价格随订购数量不同而有所变化。

3.roll out 铺开

例句:We'll give her some VIP treatment and roll out the red carpet.

我们将给予她贵宾级礼遇，并且为她铺设红地毯。

4.sort out 挑选出

例句:We're in a state of complete chaos here and I need a little time to sort myself out.

我们这里正乱作一团，我需要一点时间来理清头绪。