The book is divided into 4 parts, one for each of the Pacific, Atlantic, Indian and Arctic oceans.
该书分为四个部分，分别对应太平洋、大西洋、印度洋和北冰洋。
2
This will help you to decide whether you really need to read the whole book or only certain parts of it.
这将帮助你决定你是否真的需要阅读整本书或只阅读其中的某些部分。
3
There are only 5000 characters in the book, but it is considered as one of the oldest and most important philosophy books of ancient China. It includes two parts, Dao and De.