scoring_breakdown:[{"source":"word_of_mouth","score":93.5,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户高度评价其\"专业品质\",牙线顺滑度极佳,即使牙缝紧密也能轻松进入且不易断裂。薄荷味清新持久,使用后口腔感觉干净清爽。挂绳设计牢固,但部分用户认为25米容量偏少,性价比略低于国产品牌。整体满意度高,尤其受牙医推荐和注重口腔健康的中高端消费者青睐。","source_count":0}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":32000,"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":32000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"欧乐B的牙线是我用过最顺滑的,薄荷味很舒服,挂绳盒放包里刚刚好。\"——@牙医老李","\"虽然价格比国产贵一点,但品质真的没话说,牙线不会起毛,推荐给牙齿敏感的朋友。\"——@精致生活指南"]}}]