因为不能肯定这种方法只被调用一次，所以必须进行一些字符管理工作，如清单4所示。

Because you can't be sure this method will be called only once, you have to perform a little character management, as Listing 4 shows.

youdao

而且，即便像是微软这样的公司也曾告诉我们说，密码的长度应当大于14个字符——传统经验肯定是正确的，对吧？

And, as even Microsoft tell us that passwords should be 14 or more characters, conventional wisdom must be right, right?

youdao

因此，如果计算机使用来自标准ASCII的英语字符表示，肯定没有问题！

AS such, computers used an English character representation from standard ASCII with no problem.

youdao