The cost of coding software is less than the cost of testing it.
Building test is easier than figuring out what to test.
Finding out what to test is equivalent to finding out what users want.
Finding user requirement, after all, is easier than getting user stick to what they said they want.
哈哈，很精辟。解决问题都是容易的，最难的是提问题。大多数数据分析的项目中（譬如审计），往往瓶颈是寻找合适的数据，找到合适的数据后具体的分析往往是简单的。
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