pithy core

例句：

1. 1.The book's pithy core of wisdom resonated with me deeply.
   这本书的深刻智慧深深触动了我。
2. 2. The speaker's eloquent delivery revealed the true pithy core of his message.
   演讲者的雄辩表达揭示了他真正想要传达的核心信息。
3. 3. The author's insightful analysis uncovered the underlying pithy core of the issue.
   作者的洞见分析揭示了问题背后的根本核心。