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老朋友：～新知。
[old friends and acquaintances;close friend of many years' standing] 旧友,老朋友,老相识 红颜意气尽,白璧故交轻。——唐· 卢照邻《羁卧山中》 故旧不遗,则民不偷。——《论语·秦伯》(不偷:不薄,厚道)
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