Similarly, people don't just see differently from each other, they go about their testing differently, too. Despite your best efforts, in reviewing the software's specification and deciding on your test cases, a new person can come in and find a bug by trying something that you never even considered-hitting a different key, clicking the mouse faster, starting a function in a different way, and so on. It is that pesticide paradox again. 这里的最后一句话怎么翻译好一点呢?