这是这本书的核心论点。

That is the central ___thesis of the book.

这个论点不仅适用于音乐，在我看来，也适用于生活的许多其他方面。

This ___thesis applies not only to music but, in my opinion, also to many other walks of life.

她关于人工智能的论点在学者中引起了广泛辩论。

Her ___thesis on artificial intelligence was widely debated among scholars.