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If a computer user fails to log off, the system is accessible to all.

如果一位电脑用户没有登出，所有人都可以进入该系统。

《柯林斯英汉双解大词典》

The module provides a bridge from the kernel file system interface to user space for user and file system implementations.

该模块为用户和文件系统实现提供从内核文件系统接口到用户空间的桥梁。

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And rather than having to be trained by each user the system appears to generalise well.

ECONOMIST: Computing

Travelocity, for one, allows a buyer outside the U.S. or Canada to have any flight booking sent to a travel agent anywhere -- so long as he is a Sabre reservations system user -- to have the purchased ticket issued.

CNN: Technology: Flight Planning 101

Furthermore, the COOLPIX P7700's intuitive ergonomics and control system allows the user to easily access menus and manual controls, ensuring fluid operation.

ENGADGET: Nikon intros flagship Coolpix P7700 for prosumers, diminutive Coolpix S01 for fashionistas