be the heart and soul of

例句：

1. 1. The company's success is largely due to its talented team.
   公司的成功很大程度上归功于其才华横溢的团队。
2. 2. This book is the heart and soul of the author's writing style.
   这本书是作者写作风格的精髓。
3. 3. The festival is the heart and soul of our community.
   这个节日是我们社区的核心。