《幼学琼林·卷三·人事》
备帖拜访他人，称为 投刺 ，拆阅信函，称为 开缄 。
具名帖，曰投刺；发书函，曰开缄。
Preparing a post to visit someone, called "casting thorns", and opening a letter, called "opening the seal".
<s>[INST] Translate the following Classical Chinese text into English: 具名帖，曰投刺；发书函，曰开缄。 [/INST] Preparing a post to visit someone, called "casting thorns", and opening a letter, called "opening the seal".</s>
Translate the following Classical Chinese text into English: 具名帖，曰投刺；发书函，曰开缄。
user
Preparing a post to visit someone, called "casting thorns", and opening a letter, called "opening the seal".
assistant