來源於Longman Dictionary of Contemporary English
profit
[uncountable and countable] money that you gain by selling things or doing business, after your costs have been paid
例如：The shop’s daily profit is usually around $500.
They sold the business and bought a farm with the profits.
They sold their house at a healthy profit.
[uncountable] formal an advantage that you gain from doing something:"There’s no profit in letting meetings drag on."
profitability
[uncountable]when a business or an activity makes a profit, or the amount of profit it
makes:“a decline in company profitability”