price的可数与不可数

作为名词,price有可数与不可数之分
作为“代价”讲：单数
Criticism is part of the price of leadership.
挨批评是当领导要付出的部分代价.
Loneliness is a high price to pay for independence in your old age.
孤寂是老年独自生活要付出的高昂代价.
Giving up his job was a small price to pay for his children's happiness.
放弃工作是他为子女幸福所付出的小小代价.
作为“价格,价钱,物价”讲：可数不可数用法都有
做可数名词,指具体某种东西的price
The price of cigarettes is set to rise again.
香烟又要涨价.
He managed to get a good price for the car.
他终于把汽车卖了个好价钱.
house/retail/oil/share prices
房屋/零售/石油/股票价格（房屋价格不止一个,所以用可数名词复数,同理,零售,石油,股票也是一样）
Rover 200 for sale,price ￡2000
罗弗200型越野车,售价2000英镑（这里用法类似unit 1,lesson 1）
It's amazing how much computers have come down in price over the past few years.
过去这几年,电脑的价格大大降低,简直令人惊讶.（这里可把in price当作固定词组,price是不可数名词）
a price list
价目表（名词price用作形容词,和a一起修饰list,也可认为这里的prince是不可数名词)
price rises/increases/cuts
价格上升/提高/降低（没有指出是什么price,所以price在这是不可数名词）