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Snap发布昂贵AR眼镜后股价大跌
After unveiling ridiculously expensive AR glasses, Snap’s stock takes a dive
Snap's long-awaited smart glasses debut hasn't exactly done wonders for the company's stock.
更进一步：量化金融体系
看懂新闻只是起点——沿量化金融路径，把它变成能交付的工程能力