以恩格尔定律来讲，这个定律并不是绝对的。
马斯洛需要论、恩格尔定律、三阶梯管理、企业管理研究史是一致的。
Maslow need theory, Engel's law, the three-terraces management and the history of study of the business administration are accordant.
恩格尔定律来源于统计学，并且经过了世界各地的长期证明，这一事实本身就具有最大最广泛的研究样本。
Engel's law roots in statistics, and through long-term proof around the world, such a fact itself is just the largest and most extensive research specimens.
马斯洛需要论与恩格尔定律的一致，使那些以研究样本的不足作为怀疑马斯洛需要论的人们，彻底失去了支撑。
The accord of Maslow's needs theory and Engel's law has made those who suspect Maslow's needs theory for lacking necessary research specimens completely lose support.
马斯洛需要论与恩格尔定律的一致，使那些以研究样本的不足作为怀疑马斯洛需要论的人们，彻底失去了支撑。
The accord of Maslow's needs theory and Engel's law has made those who suspect Maslow's needs theory for lacking necessary research specimens completely lose support.
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