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Building progress billing into a CRM: the UX and data challenges
探讨CRM系统中实现分阶段计费（里程碑付款）时遇到的用户体验与数据一致性问题，对产品经理和开发者有参考价值。
When we started building ToolbagCRM, we thought invoicing was the hard part. It wasn't. Invoicing is straightforward. Progress billing is where the da…