该选项指定附加目录路径到Python模块搜索路径的开始的地方。

This specifies additional paths directories which are inserted into the beginning of Python's module search path.

youdao

这么做将会丢失对真正的模块搜索路径列表对象的引用，同时指向了一个新创建的对象，而这个对象将不会其任何作用。

All that does is lose the reference to the actual node module lookup paths, and create a new reference to some other thing that isn't used for anything.

youdao

第一条是搜索路径，用来确定使用哪个模块(和struts - config . xml文件)。

The first is the search path, used to determine which module (and which struts-config.xml file) to use.

youdao