Polydir is the absolute pathname of the directory to polyinstantiate.

polydir是要多实例化的目录的绝对路径名。

Use an absolute pathname, or a path relative to SMARTY _ DIR or the cwd.

最好用一个绝对路径名字, 或者是一个相对SMARTY目录或当前工作目录的路径.

This directory has a parent and “grandparent” directory, as we’ll see later. And pwd shows the directory’s absolute pathname

我们在后面将会看到，这个目录有父和“祖父”目录。

An absolute pathname begins with the root directory and follows the tree branch by branch until the path to the desired directory or file is completed.

绝对路径名从根目录开始，通过一个又一个的分支，一直到你要去的目录或者文件为止。