Sentence Translation Translate the following underlined sentence

Sentence Translation Translate the following underlined sentences into Chinese.Over the library of one of our great law schools is inscribed the motto， “Not under man but under God and law.” That＇s the ruling principle of American freedom， the source of our democratic liberties. I’ve tried to make it my guide throughout this contest.
【正确答案】：

这是美国自由的核心原则，也是民主自由的滥觞。

【题目解析】：该句为名词短语并列的句子。主语和谓语为“that”和“is”，翻译时要译为“这是........,也是......”。ruling principle——核心原则the source of——本意是“......的源泉”，在这里意译为“滥觞”。