reading
interest-free免息, division = department，contrast = compare，contrary = opposite， nearby=near，portion = part，
automatic transmission自动变数箱，genuine,real, true真正, occupation工作， unions工会，pros，cons优点缺点
sell，v，sale，n，trade in以旧换新，from scratch从头开始，threshold阈值，门槛
touch screen触摸屏，climate control空调，lable标记，cable充电线，电缆
writing
refund， Low end product低端产品