At the heart of
US /æt ðə hɑːrt əv/
UK /æt ðə hɑːt əv/
成语
核心, 中心
the most important or central part of something
示例:
•
At the heart of the problem is a lack of communication.
问题的核心是缺乏沟通。
•
Innovation is at the heart of their business strategy.
创新是他们商业战略的核心。