词典释义：
供应与需求；供求
Prices change according to supply and demand.
价格根据供应量和需求量而变化。
The heart of the problem is supply and demand.
问题的核心是供给和需求。
Supply and demand on the currency market will generally balance.
货币市场上的供需关系将会大致平衡。
The problem is supply and demand.
问题的根源是供给和需求。
What is the supply and demand dynamic?
大学生源和招生需求的动力究竟是什么？
the amount of a good or service available and the desire of buyers for it, considered as factors regulating its price
（商品，服务的）供应与需求，供求
根据供求关系定律，保健费用将会骤降。
Just to play devil's advocate, maybe he has the most basic understanding of supply and demand.
我忠言逆耳一下，或许他对基本的供需关系有所了解呢。
《2 Broke Girls Season 5》《破产姐妹 第五季》
