directory table的用法和樣例：
例句
- A book usually has a table of contents.
一本書(shū)通常都有一張目錄表。 - When the operating system moves a file from one directory to another on the same drive, it merely relocates the file's entry in the disk's table of contents.
當文件從一個(gè)目錄被移動(dòng)到同一個(gè)硬盤(pán)下的另一個(gè)目錄下時(shí)，操作系統僅僅是修改一下該硬盤(pán)的目錄表，并不做實(shí)際的文件刪除和重寫(xiě)文件操作。
