用户名及密码经常存储于各自的应用程序中，但不能在常规基础上进行改变并且也不安全。
User names and passwords are often stored with each application, but cannot change on a regular basis and are not secure.
用户名及密码经常存储于各自的应用程序中，但不能在常规基础上进行改变并且也不安全。
User names and passwords are often stored with each application, but cannot change on a regular basis and are not secure.
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