cost

n.成本；代价 v.花费；使失去(生命等)

cosily, cosine, cosiness, cosmetic, cosmetic surgery, cosmetically, cosmetician, cosmetics, cosmic, cosmic being, cosmic dust, cosmic rays, cosmogony, cosmologist, cosmology, cosmonaut, cosmopolitan, cosmopolitanism, cosmos, cosset, cost accountant, cost clerk, cost benefit, cost price, cost-effective, cost-effectiveness, costermonger, costing, costliness, costly, costume, costume jewellery, costumier, cosy, cosy (US cozy), cot, cot-death, cotangent, cote, coterie, coterminous,