**1) Why “clicked contact information” on Day 7 is high-value** - It signals active buying intent: the lead moved from passive content consumption to seeking direct engagement—typically a strong predictor of near-term sales conversation. - 中文：点击联系方式属于主动购买意向信号，说明客户从被动浏览转向寻求直接沟通，是短期内进入销售对话的强预测指标。 **2) Why the AI upgrades C → B at Day 7** - Cumulative engagement (55) plus this high-intent action lifted the predicted score to 75, crossing the 60 threshold—triggering an automatic pool upgrade with no manual review. - 中文：历史累计得分55加上本次高意向行为，使预测分升至75，越过60门槛，系统自动完成从C池到B池的升级，无需人工审核。 **3) Precise actions the system should trigger** - Send a tailored B2B training proposal (100-unit scope), create a sales follow-up task within 24h, and assign an owner; keep monitoring toward the 120 B→A threshold. - 中文：推送定制化的B2B培训方案（按100人规模），24小时内生成销售跟进任务并指派负责人，同时持续监控分数向120的B→A门槛推进。 **4) How this supports converting the 100-unit inquiry** - The 100-unit volume indicates real budget and scale; early high-intent capture shortens the sales cycle, improves pipeline quality and raises expected deal size per sales hour. - 中文：100人规模说明有真实预算与采购体量；及早捕捉高意向可缩短销售周期、提升商机质量，并提高单位销售工时的预期成交额。 **Next step:** confirm the lead’s timelines and decision-makers in the first follow-up to validate the 100-unit scope before finalizing the proposal. 中文：下一步：在首次跟进中确认采购时间表与决策人，验证100人规模后再定稿方案。