最后，当整个字符串处理完毕并且同时栈被清空，字符串就是完全平衡的。

Once again, if the entire string isprocessed and nothing is left on the stack, the string is correctly balanced.

youdao

最后，当整个字符串处理完毕并且同时栈被清空，字符串就是完全平衡的。

Once again, if the entire string isprocessed and nothing is left on the stack, the string is correctly balanced.

youdao