这组接口的核心就是虚拟文件系统交换器(VFS)。

At the core of that set of interfaces is the virtual file system switch (VFS).

youdao

这个组件导出一组接口，然后将它们抽象到各个文件系统，各个文件系统的行为可能差异很大。

This component exports a set of interfaces and then abstracts them to the individual file systems, which may behave very differently from one another.

youdao

为子系统中的一组接口提供一个一致的界面。

Provide a unified interface to a set of interfaces in a subsystem.

youdao