开源的支持者们试图通过指明他们的正式定义来解决被误解这个问题，但这个矫正的方法对他们来说并不如对我们有效。
Open source supporters try to deal with this by pointing to their official definition, but that corrective approach is less effective for them than it is for us.
QA团队通过将包含测试计划、缺陷原因分析，和自动化测试的正式、可重复的过程，替代特殊的测试方法，以变得更加有效且高效。
A QA team can become much more effective and efficient by replacing an AD hoc testing approach with formal, repeatable processes that include test planning, defect cause analysis, and automated tests.
但是，一旦正式描述它的某种语言和语法变得复杂，那么语言中的有效表达式数量将迅速增加。
Once a language and the grammar that formally describes it becomes complex, however, the number of valid expressions in the language grows rapidly.
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