簡單的道理，因為可以拿著邊走邊吃，不用坐（停）下來，吃完隻剩一張紙扔掉。省時省力。

來源: uptrend 於 2025-10-09 21:32:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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