notepaper，memo，memo pad ；

[例句] 手边放一本便笺簿，以便有问题时随时记下。 Keep a pad handy to jot down queries as they occur.

[例句] 迈拉·坎宁安给我寄了张便笺感谢我招待的晚餐。 Myra Cunningham sent me a note thanking me for dinner.

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