At the heart of
US /æt ðə hɑːrt əv/
UK /æt ðə hɑːt əv/
成語
核心, 中心
the most important or central part of something
範例:
•
At the heart of the problem is a lack of communication.
問題的核心是缺乏溝通。
•
Innovation is at the heart of their business strategy.
創新是他們商業戰略的核心。