N-PLURAL 基础;基本原则(或原理)Thefundamentals of something are its simplest, most important elements, ideas, or principles, in contrast to more complicated or detailed ones. 基础;基本原则(或原理)
...teaching small children the fundamentals of road safety. [+ of]
教给小孩子交通安全的基本规则
They agree on fundamentals, like the need for further political reform.