Book stack with a square package, side hit the ground with another.

用书纸叠一个正方形的包，方在地上用另外一个打。

The book stack establishing work currently include organization books, books arrangement, shelf allocation and put up on books etc. The shelf allocation is the key and difficult point in whole works.

书库的新建工作一般包括组织书源、图书排序、架位分配、图书上架、整理等，而架位分配始终是整个工作的重点和难点。

My father would watch us go, his elbows wrinkling the stack of book reports he was supposed to be grading.

我父亲会看着我们走，他的胳膊肘弄皱了那堆他必需要评分的读书报告。

They read an occasional book or moved around a stack of papers to look occupied.

他们在看闲书，或者不停的摆弄着一叠文件，为的是让自己看上去很忙的样子。

I really look forward to seeing this stack of papers turn into one completed book!

这沓稿纸会被编成一本书，真令人期待呀！