(cheaper, cheapest)

1. costing little money or less money than you expected
   便宜的；廉价的◆Domestic farmers have been harmed by cheap imports.
   国内的农民受到廉价进口货物的损害。◆Cheap financing deals have boosted sales of new cars.
   低廉的融资交易促进了新车的销售。◆immigrant workers used as a source of cheap labour
   被当作廉价劳动力来源的移民工人  ➡  inexpensive

●on the ˈcheap (informal) spending less money than you usually need to spend to do sth
廉价地；低廉地◆They are getting the company's PC operations on the cheap.
他们以低廉的价格取得了这公司的个人计算机业务。