generated at
opportunity cost
機会費用

Best alternative to a negotiated agreement
Budget constraint
Economic value added
fear of missing out
Opportunity cost of capital
Parable of the broken window
Production-possibility frontier
Reduced cost aka 'opportunity cost' in linear programming
There ain't no such thing as a free lunch
time management
Trade-off
You can't have your cake and eat it

googleopportunity cost
image opportunity cost
define opportunity cost
wikipedia opportunity cost
weblio opportunity cost
kotobank opportunity cost
jisho opportunity cost