A SIMPLE KEY FOR ORIGIN OF BROKER PROFESSION UNVEILED

知乎，让每一次点击都充满意义 —— 欢迎来到知乎，发现问题背后的世界。In which outdated expresses an absolute, an arrival at outdated age, more mature can take a far more relative see of getting old like a continuum—older, but not but old. As a result, more mature is not merely a euphemism for your blunter outdated