Agile methodologies emphasize the iteration demo as a primary mechanism to obtain feedback, but beyond this, one other approach warrants reflection.
Aile方法强调以迭代的方式作为获取反馈的主要机制，但是除了这种方法以外，还有另一种方法值得考虑。
If usability is a primary concern of your system then you should organize teams so that they are close to end users so as to ensure they can easily obtain feedback from the end users.
如果您的系统主要关注可用性，那么您应该组织团队，使他们靠近最终用户，以便他们可以很容易地获得最终用户的反馈。
However, the primary way to improve validation controls is to provide rich feedback to users.
不过，改进确认控件的主要方法是为用户提供丰富的反馈。
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