scoring_breakdown:[{"source":"word_of_mouth","score":95.6,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"GUM在高端用户群体中口碑极佳,京东和天猫评分高达4.8。用户称赞其\"刷毛柔软但有韧性\",清洁后牙缝有清爽感。专业评测机构\"口腔护理实验室\"指出,GUM的抗菌涂层能有效减少刷头细菌滋生,适合长期使用。缺点方面,价格较高且尺寸偏大,部分亚洲用户反映最小尺寸0.7mm仍显粗;另外,透明刻度在光线不足时不易看清。总体而言,GUM是追求品质和健康用户的顶级选择,尤其适合口腔敏感或术后人群。","source_count":4}},{"source":"objective","score":96,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.8,"review_count":120000,"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":120000,"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":["牙科专家@Dr.李:GUM的抗菌涂层是行业首创,对预防牙周炎复发有临床意义。","小红书达人@精致生活家:用了GUM之后,其他牙间刷都成了将就,贵但值得。"]}}]