supply and demand
US /səˌplaɪ ən dɪˈmænd/
UK /səˌplaɪ ən dɪˈmænd/
1.
供求关系
the amount of a commodity, product, or service available and the desire of buyers for it, considered as factors regulating its price and availability
:
•
The price of oil is determined by supply and demand.
石油价格由供求关系决定。
•
Understanding supply and demand is crucial in economics.
理解供求关系在经济学中至关重要。