The actual chrestomathy of each life castaway, so deft that can pull pull, thin resemble a book thinly, let you place in a certain position arbitrarily in the aperture in a certain space.

• 每一个生活漂流者的现实读本，轻便得可以拉来拉去，薄薄的像一本书，让你任意地安插在某个空间的缝隙里。