Rationality, self-benefit and pursuit of biggest interest are the major features of an"economic person".

理性、自利和追求利益最大化是“经济人”的主要特性。

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As an economic body, the behavior of enterprise is the result of human self-benefit motive and craving for demand.

企业作为经济主体，其行为动因源于人的自利动机和对需求的渴望。

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There are varies reasons for distortion in accounting including deficiency on company father frame, inboard control, manager self-benefit, CPA cheat and so on.

会计造假的原因是多方面的，包括公司治理结构不健全、内部人控制行为严重、公司管理层的自利行为、注册会计师执业不公等；

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"He devised a large number of programs for the benefit of farmers, for the benefit of downtrodden people, for health care, for self-help groups of women,"

VOA: standard.2009.09.03

It's not self-serving; it's not so much for my benefit.

不是我自私,这对我来说没什么好处

耶鲁公开课 - 基础物理课程节选

With the transition from fully-insured health benefits to employer-sponsored self-funded health benefit plans, employers now seek to find ways to transfer their employees from healthcare quality and manpower shortage areas to providers offering measurable higher quality, better customer service, and better outcomes.

FORBES: Domestic Medical Tourism-A Prescription for Savings?

Even the self-driving Google cars have the side benefit of allowing constant (non-crash inducing) internet usage during the daily commute.

FORBES: The (Not So) Evil Strategy Behind Everything Google

Still, there are patients who would benefit from self-exams if they did them.

CNN: Breast 'awareness' trumps self-exams, docs say