系统目录的英文：
system directory
n. 体系，系统；设备；制度；方法；身体；次序
- Is the system unstable?
是系统不稳定吗？ - It was not a perfect system.
它不是一个完美的系统。 - This is a sexpartite system.
这是一个由六部分组成的系统。 - Anatomically, the nervous system is divided into the central nervous system and the peripheral nervous system.
解剖学上把神经组织分为中枢神经系统和周围神经系统。 - disaccord between the economic system and political system
经济体制与政治体系间的不协调
n. 名录，电话号码簿，（计算机文件或程序的）目录
- The directory is not a subdirectory of the root directory.
目录不是根目录下的子目录。 - catalog directory
目录登记簿 - The directory service is unavailable.
该目录服务不可用。 - Unable to copy XX. Destination directory is a subdirectory of the source directory.
无法复制 XX。目标目录是源目录的一个子目录。 - Cannot create directory because a file or directory of that name already exists tXX
无法创建目录，因为已经存在同名的文件或目录tXX
