affinity card
noun [ C ] uk/əˈfɪn.ə.ti ˌkɑːd/ us/əˈfɪn.ə.t̬i ˌkɑːrd/
（持卡人每次消费时都会向慈善事业捐一小笔金额的）慈善信用卡，爱心信用卡
a credit card that earns a small amount of money for a charity each time something is bought with it
江苏热线英汉汉英双解词典包含207361条英汉翻译词条，涵盖了常用英语单词及词组短语的翻译及用法，是英语学习的必备工具。