1.花钱
Sb. spend ...on sth.
Sb. spend...on doing sth.
Sb. pay ...for sth.
Sth. cost sb. money /time/patience...
Sth.is worth...
Sth. is at the price of...
Each student spends about 120yuan a month on food/buying food.
I paid $2000 for the color TV.
It cost us thirty-six thousand francs.
It cost us a lot of work.
