half-title
/ˈhɑːfˌtaɪtl/noun
1- the title of a book, printed on the right-hand page before the title page副标题（印在标题页前一页上的书名）。
1.1
- the title of a section of a book printed on the right-hand page before it分篇标题（印在篇章前一页上的章节名）。
1.2
- a page on which a title of either of these kinds is printed副标题（或分篇标题）页。