我在图书馆的参考书区找到了一本商业机构名录。

I found a ___directory of business organizations in the library's reference section.

我需要在电脑上新建一个文件夹来存放这些照片。

I need to create a new ___directory on my computer to store these photos.

董事会一致通过了这项新政策。

The ___directories unanimously approved the new policy.