bookmark / 15852766301

There will have some time that some important things are waiting for us to get out when we are reading, but we have not finish reading the book, very often, we put a bookmark in the book to remind us of the approximate place we read the last time.
The problem is at the time we read next time, we easily find the page we read last time, but cannot find the certain sentence, the certain word. So we need to read again from the beginning of this page.
When writing thesis or access to information, we often make remarks on the materials, if the book is borrowed from the library, writing on the book is not allowed. For this reason, we need a b