供需法则的英文：
law of demand and supply

参考例句：

The laws of supply and demand do not apply here.
供需法则并不适用于此地。

law是什么意思：
n. 法律；法规；法学；定律

the spirit of the law.
法律的实质

It is a law of creation.
这是一条宇宙万物的法则。

juggle with the law
歪曲法律

demand是什么意思：
n. 要求，所需之物；需求，需要
v. 要求；询问，质问；命令；需要

It is the demand, stupid.
傻瓜，答案是需求。

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

I demand a recount.
我要求重算。

supply是什么意思：
v. 供给，供应；补充
n. 供给，供应；供应量，供应品；生活用品；生活费
adv. 柔韧地

Demand exceeds supply. The supply is not adequate to the demand．
供不应求

Furnish a village with supplies/furnish supplies to a village
供应某村庄生活用品

air-supply register
空气供应记录器