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Must be English, hyphen separated, no spaces, SEO friendly. Provide only the slug. Title: "Sustainable Design for Bars and Clubs: Save Money, Attract Customers, and Reduce Complaints". Need to create a concise slug. Probably "sustainable-design-bars-clubs-save-money-attract-customers-reduce-complaints". Could be shorter: "sustainable-design-bars-clubs-save-money-attract-customers-reduce-complaints". That's fine. Ensure no punctuation. 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Title: "我花了三年踩完的坑：酒吧灯光施工项目里的真实教训". Need to translate meaning: "The pitfalls I spent three years learning: Real lessons from a bar lighting construction project". So slug like "three-years-learning-bar-lighting-construction-lessons". Or "three-years-pitfalls-bar-lighting-project". SEO friendly: "bar-lighting-construction-lessons". Maybe include "three-years". So final answer: "three-years-bar-lighting-construction-lessons". 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