Level 3 Unite 1 Part 3 精讲1

businessman 男性商人
businesswoman 女性商人

own 拥有
own a car
own a house

profitable 有盈利的
expense 支出，消费

plenty of 大量的
be worried about sb/sth
afford sth 负担得起
rely on 信任
break down 出故障

reduce 减少
pollution 污染
air pollution 空气污染

would like to do sth 想让做某事
be good for 对什么有益处
think about doing sth

electric toothbrush
electric shaver
electric car
gasoline 汽油
exhaust 废气

recharge
recharge the battery
plug sth in 给...接通电源
outlet 电源插座

well-engineered 设计得很好的
charging station 充电站
the cost for/of doing sth 做某事的费用
the idea of doing sth 关于做某事的主意/想法
make sense 说得通的
driverless 没有司机的
be in control of sth 控制着某事/某物