还有一个问题是，多相睡眠是否有特殊的益处：除了额外的时间，我们是否有些能力是在单相睡眠的状态下被忽略了。
Another question to ask is whether or not polyphasic sleep produces new benefits.
幸运的是，针对此问题有一个变通方法：我们将所有的特殊字符存储在引用源中，然后从那个源中装入，并在运行时使用它们。
Fortunately, there is a workaround to this problem: we store all the special characters in a reference source, load them from that source, and use them at run time.
然而这个问题并非关于是否有两个人共有一个特殊的生日，而是在问是否有两个人的生日相同(随便哪天只要相同都可以)。
But the question wasn't about whether or not two people had one particular birthday in common, it was whether they had any birthday in common.
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