The expression "There's no such thing as a free lunch" means
A) in an exchange, if one person gains, someone else must lose.
B) each person must pay for exactly what he or she receives.
C) the use of resources to meet one need means that those resources can no longer be used to meet another need.
D) in an exchange, if one person gains, someone else must lose and equal amount.

Question

Quizplus · Accepted Answer

The expression means that resources are limited, and using them for one purpose means they cannot be used for another, highlighting opportunity cost.

The Expression "There's No Such Thing as a Free Lunch