A pair of small hooks that hold a few words at arm's length. One hook opens, the other closes, and everything caught between them is marked as somebody else's — their exact words, their title, their name for the thing. The marks never say the words are true; they only say who they belong to.
可以想成一對小鉤子，把幾個字夾起來、拿遠一點看。左邊那個打開，右邊那個關上，中間夾住的字就被標成「別人的」——別人原本說的話、別人取的標題、別人給的名稱。這對鉤子從來不保證那些字是對的，它只負責說明那些字屬於誰。
From the word’s history
The name is a picture of the mark itself: in metal type an opening quote was a comma turned upside down, so the mark was literally an inverted comma; the closing one was the apostrophe. Used singly they give ‘ ’, used in pairs “ ”.
這個名字直接描述符號的長相：早期鉛字印刷沒有另鑄開頭引號，就把逗號轉 180 度，所以它字面上就是「翻過來的逗號」；收尾的那個則用撇號。單用是單引號，成對排就是雙引號。
Wiktionary, "inverted comma"
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