pillar
/ˈpɪlər/
a fundamental principle or practice
中文释义：支柱；核心原则
Education is a pillar of a prosperous and stable society.
教育是繁荣稳定社会的支柱。
The three pillars of sustainability are environmental, social, and economic.
可持续发展的三大支柱是环境、社会和经济。
/ˈpɪlər/
a fundamental principle or practice
中文释义：支柱；核心原则
Education is a pillar of a prosperous and stable society.
教育是繁荣稳定社会的支柱。
The three pillars of sustainability are environmental, social, and economic.
可持续发展的三大支柱是环境、社会和经济。