心灵总是想要提升自己，使自己变得更完善，再完善，再完善。
The soul always wants to improve itself, to make itself better and better and better.
一个典型的情形是一些模型的变更(例如，使一个或更多的类图变得更完善)恰好发生在最终期限之前。
The typical scenario is that some changes are made to the model (e.g., refining one or more class diagrams) just before a deadline.
知识使人变得文雅，而交际使能使人变得更完善。
Knowledge makes one graceful, and communication makes one perfect.
知识使人变得文雅，而交际使能使人变得更完善。
Knowledge makes one graceful, and communication makes one perfect.
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