很多的计算机科学是一种折中的选择，和包含找到一种解决现实需求的有效（不是最理想的）方法。
Most of computer science is somewhere in the middle, and involves finding an efficient (if not optimal) solution to a problem with real requirements.
如果收集了所有必需的按键和释放操作的密码长度都相同并且包含相同的字符，则找到一个匹配并且子例程成功退出。
If the passwords collected all of the required key press and key releases, are the same length, and contain all the same characters, a match was found and the subroutine exits successfully.
对于这些系统，这些组织没有资金激励来平衡易用性和安全性，或者找到其他方法来包含用户账号。
For these systems, the organizations have no monetary incentive to balance usability with security, or to find some other way of protecting user accounts.
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