# 2.8 商業規則與限制(Business Rules and Integrity Constrains) | 需求編號 | 需求描述 | | -------- | ----------------------- | | BRIC-01 | 優惠折扣不能重複使用 | | BRIC-02 | 遊戲購買後兩個小時內能無理由退款 | | BRIC-03 | 遊戲購買後超過兩個小時需經過系統管理員同意才能退款 |
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