r in essence; at bottom or by one's (or its) very nature
adv. 基础, 首要, 主要, 十分重要, 基本, 根本, 原始, 基频, 基音, 基谐波
1. The two theories are fundamentally different in their approaches.
这两种理论在其方法上根本不同。
2. Fundamentally, we all want to be happy and fulfilled in life.
从根本上说，我们都希望在生活中快乐和充实。
3. The problem is fundamentally about trust and communication.
这个问题从根本上来说是关于信任和沟通的。