Examlex
According to the circumplex model of emotion,depression is a state of _____ and _____,whereas calm is a state of _____ and _____.
Opportunity Cost
The value of the next best alternative that is foregone when making a decision or choosing one option over another.
Airplane
A powered flying vehicle with fixed wings and a weight greater than that of the air it displaces, used for transportation.
Car
A wheeled motor vehicle used for transportation, typically running on roads and able to carry a small number of people.
Comparative Advantage
The ability of an individual, company, or country to produce a good or service at a lower opportunity cost than competitors, facilitating beneficial trade and specialization.
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