[文法] 以下句子可以不加s嗎?

看板Eng-Class (英文板)作者 (That's OK)時間15年前 (2010/04/23 20:34), 編輯推噓1(102)
留言3則, 2人參與, 最新討論串1/1
空中英語教室99/2月 page.33 Though not free,special services include treadmills,pet paintings, hair salons and more. 改成下列ok嗎?意思差在那? Though not free,special services include treadmill,pet painting, hair salon and more. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 125.224.184.215

04/23 20:55, , 1F
沒加s的話會變成為全都是一模一樣的東西
04/23 20:55, 1F

04/23 20:56, , 2F
難道全世界的跑步機(treadmill)都長一樣嗎?
04/23 20:56, 2F

04/24 18:28, , 3F
謝謝喔...
04/24 18:28, 3F
文章代碼(AID): #1BqPFpy_ (Eng-Class)
文章代碼(AID): #1BqPFpy_ (Eng-Class)