noun ダウンロード 🔗共有 プレースホルダー, 代理 Something used or included temporarily or as a substitute for something that is not known or must remain generic; that which holds, denotes or reserves a place for something to come later. Examples : "Please enter your name here; "Your Name" is just a placeholder until you fill it in. " ここにあなたの名前を入力してください。「あなたの名前」は、あなたがそれを入力するまでのプレースホルダーです。 place thing technology computing business technical AIとチャット語彙ゲーム読解練習