scoring_breakdown:[{"source":"word_of_mouth","score":92.89999999999999,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍称赞其性价比极高,9.9元即可获得专业级抛光体验。多数评价提到四个面分工明确,从粗磨到上光一气呵成,尤其适合新手操作。部分用户反馈粗面消耗较快,但整体耐用度优于市面同类产品。有美甲师指出其粉尘控制出色,打磨时飞粉少,且不会损伤甲面。少数差评集中在包装简易,但产品本身质量稳定。","source_count":2}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":85000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":96,"weight":0.25,"confidence":1,"details":{"rating_avg":4.8,"review_count":85000,"source":"product_reviews_aggregate"}},{"source":"expert","score":80.80000000000001,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"matched_count":2,"base_score":82,"weighted_score":80,"sample":["@美甲师小鹿:3M这款抛光条是工作室常备款,粗面修型快,上光面能打出镜面效果,比很多百元级工具都好用。","@手残党自救指南:第一次用就被惊艳到,四个面用完指甲像涂了亮油一样,关键才9块9!"]}}]