請問:"佔位子"要怎麼表達呢?像在圖書館會有人用書或包包放位子上的"佔位子"

謝謝

請參考以下例句:A: Hey where are you? The movie is going to start in ten minutes. B: I am sorry. I am running late. Please save me a seat at the movie theater. A: Alright. I'll save you a seat. B: Thank you.

請參考 https://www.chtoen.com/%E4%BD%94%E4%BD%8D%E5%AD%90%E7%9A%84%E8%8B%B1%E6%96%87%E6%80%8E%E9%BA%BC%E8%AA%AA有問題請繼續發問!