圖像來源，Getty Images
代码重构：它没有直接甩代码，而是先思考了“设计模式”的选择（工厂模式 vs 策略模式），最终选择了适合扩展的策略模式。。Line官方版本下载对此有专业解读
int8 与 int4 — 有什么区别？，推荐阅读safew官方下载获取更多信息
Layoffs have remained limited, apart from some high-profile cuts at firms such as Amazon and UPS and the unemployment rate has held steady at around 4.3%. Meanwhile, the wider economy continues to grow, expanding at a robust annual pace of 4.4% in the most recent figures.，更多细节参见im钱包官方下载
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