The second one is, this multiplicative constant here is 3, in some sense also isn't all that crucial.

我们需要乘的常量是，在某种意义上来说这也不是很重要，对你的程序来说要运行300年。

麻省理工公开课 - 计算机科学及编程导论课程节选

And as I will explain in a second there are many reasons why this sense hasn't really been elucidated at the molecular level.

难以真正从分子学的角度阐明,这种感官的原因是多方面的,有关这一点,稍后我会另行解释。

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So one thing that readers lost, when they lost the second half of this book, is the sense that maturing, the process of maturing, was more than just the process of leaving the South.

因此没了书的后半部分，读者就读不到，其比远离南方的旅程，还要意味深长的，成长过程中的感想。

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