A search box and list of useful resources (possibly related to the missing page) could be helpful in this case.

一个搜索栏以及一些页面相关的资源会很有帮助。

youdao

I have to point out one page is missing in this book.

我不得不指出这本书少了一页。

youdao

One page of the book is missing, so I can't learn the whole story.

这本书少了一页，所以我无法了解整个故事。

youdao

Okay. I was sort of trying to remember the first page of the missing music there.

我大致记得,第一页的谱子

耶鲁公开课 - 聆听音乐课程节选

Last year it sent out tax packets missing a full page of instructions.

FORBES: Tax torture, local style

Google has set up a Crisis Response page including software that can help find missing people or report people that have been found.

FORBES: Japan Hit by 8.9 Magnitude Earthquake, Tsunami

Heeringa's family and friends were posting missing posters around the area, and a Facebook page was set up for people to offer clues or support.

CNN: Search on for woman kidnapped from gas station