• 1. allowances and rebates: 折让和回扣 | 折让及回扣 | 折让与回扣
• 2. Purchase rebates and allowances: 购货回扣或折让 | 进货回扣及折让 | 购货回扣与让价
• 3. sales rebates and allowances: 销货回扣与让价

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