But actually, it's the science of weighing costs and benefits - which makes it also very useful for solving problems in everyday life.
但实际上，它是一门权衡收支的科学——它可以非常有效的解决日常生活中的问题。
But actually, it's the science of weighing costs and benefits - which makes it also very useful for solving problems in everyday life.
但实际上，它是一门权衡收支的科学——它可以非常有效的解决日常生活中的问题。
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