定义新常数，除非该常数是私有的且在任何活动语句中未出现该常数的名称。

Defining a new constant, unless the constant is private and there are no occurrences of the constant name in any active statement.

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根据一项新的研究表明，宇宙的一个基本常数可能终究并非常数。

A fundamental constant of the universe may not be so constant after all, according to a new study.

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你们可以看到，这个新的常数，这是我们以前没看过的。

And what you can see is we have this new constant that we haven't seen before.

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