眾所周知,當 "paper" 的意思是「紙張」時,它是不可數的 (uncountable),單一數量必須以 "a piece of" 來修飾,如 "a piece of paper","two pieces of paper" 等等。
跟「紙張」不同,"newspaper" 卻是可數的 (countable):
My dad has a habit of reading four newspapers every morning. (我父親有每天早上讀四份報紙的習慣。)
有一點我們必須留意,就是當 "paper" 的意思是「論文」或「證件」時,它則是可數的,可直接在 "paper" 後面加 "s":
Professor Wong has published three papers on tuberculosis. (黃教授發表了三篇有關於結核病的論文。)
Please have all your identification papers ready. (請把你所有的身份證明文件準備好。)
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