scoring_breakdown:[{"source":"word_of_mouth","score":80.1,"weight":0.35,"confidence":0.8,"details":{"source":"word_of_mouth_scores","summary":"用户普遍认可其超高的性价比,300元价位段功能齐全。轻便易移动,折叠后收纳方便,尤其适合租房或小户型家庭。双层餐盘设计实用,上层可单独清洗。部分用户反馈座椅宽度偏窄,胖宝宝可能稍显拥挤。也有评论指出使用半年后调节按钮略有松动,但整体质量对得起价格。好评率约88%,是入门级餐椅的热门选择。","source_count":0}},{"source":"objective","score":92,"weight":0.2,"confidence":0.7,"details":{"dimension":"after_service","rating_avg":4.6,"review_count":42000,"note":"proxy via rating_avg, v3 will parse specs_json"}},{"source":"user_review","score":92,"weight":0.2,"confidence":1,"details":{"rating_avg":4.6,"review_count":42000,"source":"product_reviews_aggregate"}},{"source":"expert","score":82,"weight":0.25,"confidence":0.6,"details":{"kol_count":2,"scored_count":2,"sample":["@省钱妈妈团:可优比这款餐椅不到400块,功能却一个不少,租房党闭眼入。","@母婴博主小丸子:双层餐盘设计很贴心,上层吃饭下层放玩具,清洁也方便。"]}}]