scoring_breakdown:[{"source":"word_of_mouth","score":80.8,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"综合评价显示,米家MJZZC01评分4.3,用户称赞其\"价格便宜\"\"充电方便\"。优点:Type-C接口兼容手机充电器,无需额外线材;防水设计易清洗;外观简约时尚。缺点:转速不可调,处理厚指甲效率低;陶瓷锉头耐用性一般,使用半年后可能变钝;噪音中等(约55分贝)。专业评测认为,其抛光效果尚可,但修整精度不如松下等高端产品。总体适合学生或初次尝试电动修甲的消费者。","source_count":3}},{"source":"objective","score":86,"weight":0.1,"confidence":0.7,"details":{"dimension":"safety","rating_avg":4.3,"review_count":25000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":86,"weight":0.25,"confidence":1,"details":{"rating_avg":4.3,"review_count":25000,"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":["小红书美妆博主@科技宅小明:\"129元还要啥自行车?米家这款修甲器够用,Type-C充电太方便了。\"","什么值得买生活家@省钱达人:\"性价比之王,适合预算有限的学生党,但别指望它处理厚指甲。\""]}}]