In the future the machines will need spare parts and maintenance.这些机器将来会需要备件和维修保养。A technician loads a video tape into one of the machines.一名技师把一盒录影带装进其中一台机器。Many of the machines are gathering dust in basements.许多机器尘封在地下...
Variable levies can insulate farmers and consumers from world markets.差价进口税可以把农民和消费者与世界市场隔离开来.Spain imposed levies on farm imports from non-member states.西班牙对来自非成员国的进口农产品征税。The mammoth size of village levies has historic...