- **Day 7 callback request = active buying intent, not passive interest.** It shifts the lead from content consumption to direct human engagement, the strongest pre-pipeline signal in B2B. 中文：客户主动要求回电，说明从“看内容”转向“找人谈”，这是B2B里最强的购买意向信号。 - **Score is cumulative, not event-driven: 20 + Day 7 lift ≈ 24, still far below the 60 C→B threshold.** High-value behavior raises velocity but doesn't override the pool rule. 中文：分数是累计的，单次行为只加分不改池。24分离60分的升级线差距明显，所以仍留在C池。 - **Trigger: fast callback SLA (same/next day) + a lightweight needs-discovery call, not a full proposal.** At C level, qualify quantity, timing, decision-makers and budget before investing sales time. 中文：触发动作应是快速回电+需求摸底，而不是直接出方案。C池阶段先确认数量、时间、决策人和预算。 - **Follow-up task auto-created with call notes and score history; re-scoring after the call.** If discovery confirms scale, re-run scoring to push toward B and unlock proposal automation. 中文：系统自动建跟进任务并记录通话与分数历史；通话后再评分，若确认规模则推向B池，解锁方案自动发送。 - **Path to the 100-unit inquiry: callback → qualified discovery → B-pool upgrade → tailored proposal + distribution/volume pricing.** Each step converts intent into a sized, sales-ready opportunity; without the upgrade gate, large inquiries get under-resourced. 中文：转化为100台询盘的路径是：回电→需求确认→升B池→定制方案+批量分销报价。升级门槛确保大单不会因资源不足被漏掉。 **Caveat:** with a 40-point gap to threshold, one more high-value event (e.g., pricing or RFP request) is likely needed — monitor score velocity against the 7-day window.