They have tended to assume increasing opportunity costs.
他们往往假定机会成本是递增的。
With reference to the production possibility curve diagram you drew for Question 1B, explain the Economics concepts of scarcity, choice and increasing opportunity costs.
从问题1的生产可能性曲线图，解释经济学的稀缺性，选择和增加机会成本的概念。
Increasing the amount of crab legs ordered lowers opportunity costs by having a supply of crab legs that meets demand during all-you-can-eat specials.
提高蟹爪数量，通过提供蟹爪满足自助餐时的需求，减低机会成本。
Unrealistic expectations have resulted in increasing demands that ignore the opportunity costs of public programs.
不切实际的期望导致需求的增长，而忽略公共项目的机会成本。
It is undeniable that the knowledge management within firms will always have effects of reducing costs and increasing efficiency, but the growth opportunity often comes from outside.
不可否认，知识的内部管理能够节省开支、提高效率，但成长的机会总是来自于外部。
It is undeniable that the knowledge management within firms will always have effects of reducing costs and increasing efficiency, but the growth opportunity often comes from outside.
不可否认，知识的内部管理能够节省开支、提高效率，但成长的机会总是来自于外部。
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