Although somewhat tedious, the manipulation of the XML document in memory is very straightforward.

尽管有些烦琐，但对内存中xml文档的操作却是非常简单明了的。

youdao

Obviously, the straightforward method is faster because there aren't any function calls or stack manipulation, but the recursive way is more elegant and better reflects the problem.

很明显，直接方法执行速度要快一些，因为没有涉及到任何函数调用或堆栈操作。但递归方法更优雅，能更好地反映问题的本质。

youdao

Obviously, the straightforward method is faster because there aren't any function calls or stack manipulation, but the recursive way is more elegant and better reflects the problem.

很明显，直接方法执行速度要快一些，因为没有涉及到任何函数调用或堆栈操作。但递归方法更优雅，能更好地反映问题的本质。

youdao