此文基于 4-Step CRM Reporting System that Boosted Inside Sales Pipeline by 35%，并结合 7 KPIs for Inbound + Outbound Lead Generation ROI、7 Metrics that Prove Cold Email Beats B2B Cold Calling Pipelines 与 7 Inbound Lead Generation Tactics for SaaS Companies，提供字段标准化、漏斗监控与叙事示例。