在构建的前面几个迭代中，我们能够通过允许用户引入新的范围，直到他们耗尽了他们的偶然点，从而使用户不必受到过多的变更控制的束缚。
In the first couple of iterations of Construction, we can ease the users into more strict change control by allowing them to introduce new scope until they have exhausted their contingency points.
更加无缝的变更请求过程几乎会为控制范围的增长、产生更好的系统和更高的和约价值带来的更多的机会。
A more seamless change request process would most likely have introduced more opportunities for controlled scope growth, resulting in a better overall system and a higher contract value.
可适应性——增加对业务用户提出的小型变更的实现来支持短期需求，同时仍然控制在强有力的IT管理范围内。
Adaptability - Increased enablement of small changes by Business users to support short term needs, whilst still controlled within strong it governance.
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