end on

副词 end on:

1. with the end forward or toward the observer
   同义词：endways, endwise

1. The book ended on an optimistic note.
   该书的结尾寓意乐观。
2. The summer camp started on July16 and will end on July27.
   夏令营七月十六日开营，在七月二十七日结束。