鉴于这个原因，最好不要删除现在尚未使用的部分，因为以后可能会用到它们。
For this reason, it is advisable not to delete navigation sections that might be useful later, even if they are unused.
这个原因是各种否定层面最不靠谱的(部分是因为，即使现在，也天天有人死亡，所以很明显，神对此还是批准滴)。
It is also the least valid of the reasons for denial (partly because in the given system, God obviously does let people die).
大脑实现这个进步，至少部分原因是因为在睡眠时候把记忆转移到这些序列上。
The brain accomplishes this improvement, at least in part, by moving the memory for these sequences overnight.
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