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挨拶， あいさつ
1. greeting, greetings, salutation, salute, polite set phrase used when meeting or parting from someone
2. speech (congratulatory or appreciative), address
3. reply, response
4. courtesy visit (to offer condolences, say congratulations, pay respect, ...
问候语，问候，致意，致敬，见面或分别时使用的礼貌固定用语；演讲(祝贺性或感谢性)，致辞；礼节性拜访(表示哀悼、致以祝贺、表达敬意、自我介绍等)