income-cost

英 ['ɪŋkʌmk'ɒst] 美 ['ɪŋkʌmk'ɒst]

• 成本收益

income-cost的用法和样例：

例句

1. So we must change the proportion of the cost and income for the altruistic behavior, and arouse persons' altruistic behavior by improving the income for the altruistic behavior.
   因此，必须改变利他行为的成本收益比，提高利他行为的收益来激发人们的利他行为。