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有些無限比其他無限更大。

I don't think that when people grow up, they will become more broad-minded and can accept everything.Conversely, I think it's a selecting process, knowing what's the most important and what's the least. And then be a simple man.

The integration of digital technology will revolutionize traditional coal mining.

只有分子存在。其他一切都是社會學。