观看视频指南:

https://loom.com/share/72b801a9a9dc4a4984d47702e8df3aa9


以下是分步指南(內容同上):

1. 了解分级折扣与周期性折扣的区别 0:00

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2. 仅保留第一档,并启用递增选项 0:38

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3. 设置最高节省上限以限制折扣 0:55

generated-image-at-00:00:55