Now, this is kind of interesting, because it tells you that you should be looking for a particular fact, which is this: nothing in the world smells like rotten eggs except S-H, OK?
现在看来 这十分有趣 因为它告诉你 你应该寻找一个独特的事实 事实是: 除了S-H以外 没有其他东西闻起来像臭鸡蛋