directory例句：
Create a new directory and put all your files into it.
創建一個新的目錄，然後把你所有的文件都放進去。
This command s files from the directory.
這一指令把文檔從目錄中刪除。
catalogue例句：
The catalogue gives a full description of each product.
該目錄對每一種產品都作了詳盡的'說明。
The catalogue is full of testimonials from satisfied customers.
這份商品目錄滿篇皆是稱心顧客的讚辭。
