cung cầu 
supply and demand [ cung ] : (1) to supply; (2) bow (used with arrows)
[ cầu ] : (1) bridge; (2) to request, demand, desire; (3) toilet; (4) sphere, ball; birdie (badminton)
Most Common Compounds Set 1:
Most Common Compounds Set 2 :
cung cầu supply and demand