如果你的现实模型与真实的世界大相径庭，那么你每天都很难采取有效的行动。
If your model of reality is wildly different from the actual world, then you struggle to take effective actions each day.
如果你建立的模型对于预测用户请求的延时非常有效，它不一定能帮你发现安全漏洞。
If you build a model of your system that is useful for predicting latency of user requests, it probably won't help you discover security holes.
任务6：如果你的模型有效，南非的其他大象公园会乐于采用它。
Task 6: If your model works, other elephant parks in Africa would be interested in using it.
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