单词engel-s-law
网络: 恩格尔定律
Maslow"s needs theory and Engel"s law, that they can be seen as the two most basic social science theories, have been applied widely.
马斯洛需要论和恩格尔定律可被看成是社会科学领域的两个基本理论，已经被广泛地应用。
The consistency of Maslow need theory and Engel"s law.
再次，马斯洛需要论和恩格尔定律是一致的。
Engel"s law, for example, is not absolute.
比如，恩格尔系数并不是绝对的。