There is no failure, only feedback!
只有反馈，没有失败。
Usability suffers when users type in passwords and the only feedback they get is a row of bullets.
当用户输入密码得到的反馈却是一行星号的时候，可用性受损了。
There is no failure, only feedback.
没有失败，只有回馈讯息。
Sound can also give people useful feedback, but it shouldn't be the only feedback mechanism because people can't always hear their devices.
声音可以作为反馈，但不能作为唯一的反馈，因为有可能听不到。
There is no failure. Only feedback. ~ Robert Allen.
没有失败。只有反馈。~罗伯特·艾伦。
There is no failure. Only feedback. ~ Robert Allen.
没有失败。只有反馈。~罗伯特·艾伦。
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