Pǐnpái tóufàng gèng kànzhòng hùdònglǜ ér búshì fěnsīshù.
Brands care more about engagement rate than raw follower count when placing ads.
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MCN agency and digital-marketing jargon. Standard formula: (likes + comments + shares) / followers. Often abbreviated 互动 in casual conversation, 互动率 in dashboards and pitch decks.
usage
率 (lǜ) is the all-purpose 'rate' suffix in tech metrics: 转化率 (conversion rate), 点击率 (click-through rate, CTR), 完播率 (video completion rate), 留存率 (retention rate).