The relationship between how much of something is available and how much people want it.
何かがどれだけ利用可能で、人々がそれをどれだけ欲しがっているかの関係。 (Nanika ga dore dake riyou kanou de, hitobito ga sore o dore dake hoshigatte iru ka no kankei)
"The price of oil depends largely on supply and demand."
"石油の価格は主に供給と需要に依存しています。" (Sekiyu no kakaku wa omoni supply and demand ni izon shiteimasu)
to have a particular average amount or rate over a period of...
a simple solution to a complex problem
to be very successful or happy
to do what one has promised to do
still healthy and full of life
someone who spends a lot of time thinking about pleasant thi...
