公众号：半只烟1804
It's not whether you're right or wrong that's important, but how much money you make when you're right and how much you lose when you're wrong.
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半支烟1804
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署名-非商业性使用-相同方式共享 4.0 国际 (CC BY-NC-SA 4.0)
》许可协议授权
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