essentially
adv. 本质上，根本上；大体上，基本上
例句
He was, essentially, a teacher, not a manager.
他本质上来说是个教师而不是经理。
《牛津词典》
The course is essentially theoretical in orientation.
该课程的目标基本上是理论性的。
He was essentially a man of the theatre.
他基本上是个戏剧人。
