scoring_breakdown:[{"source":"word_of_mouth","score":90.79999999999998,"weight":0.5,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认为该磨刀石能明显延长刀片使用周期,从原本2周更换延长至4-6周。多数评价提到操作简单,湿刮后轻推几下即可恢复顺滑感,尤其适合刀片变钝后的急救。部分用户反馈对严重钝化或使用超过2个月的刀片效果有限,建议定期维护。少数差评指出磨刀石本身磨损较快,需注意保存干燥。整体性价比高,是吉列用户的实用配件。","source_count":3}},{"source":"objective","score":92,"weight":0.1,"confidence":0.7,"details":{"dimension":"comfort","rating_avg":4.6,"review_count":28500,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.25,"confidence":1,"details":{"rating_avg":4.6,"review_count":28500,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.15,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["\"吉列这款磨刀石简直是刀片续命神器,每月省下一盒刀头钱。\"——@理容达人小K","\"出差必备,再也不用担心酒店剃须刀不好用了。\"——@旅行控老张"]}}]