current_url = self.config.start_url
在商业世界里，风险永远不会消失，只会被转移。合伙人模式，本质上就是风险的分摊与下沉。
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Film type: Kodak Instant Print 3 x 3-inch cartridge (included) / Film size: 3 x 3-inch square prints / Weight: 467 grams / Charging method: Micro USB / Companion app: Yes / Other features: LCD screen, smartphone printing
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