汉语常用字数根据不同机构的标准，
从2000-3500个不等。
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我们按照2000算，
如果可以重复使用且不考虑实际意义，
一共有2000的2000次方种组合方式。
如果不能重复使用且不考虑实际意义，
一共有2000的阶乘种组合方式。
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如果你对数据不敏感，
那我告诉你，
全宇宙的原子数量也不过10的82次方个。
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在计算机都算不尽的组合中，
我能想到最浪漫的组合方式只有两种：
你和我，
我和你。
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The number of commonly used Chinese characters varies from 2000 to 3500 depending on different standards.
/
Let's consider 2000 for our calculation,
If repetition is allowed without considering the actual significance,
There are 2000^2000 combinations.
If repetition is not allowed without considering the actual significance,
There are 2000! combinations.
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If you are not sensitive to numbers,
Let me tell you that，
The total number of atoms in the entire universe is around 10^82.
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Even the most powerful computer could not count it,
But for me,
I can only think of two most romantic combinations:
"You and me" & "You and I"
