[Ask ]compare a sentence with of and without of

看板EngTalk (全英文聊天)作者 (yoko)時間18年前 (2007/04/25 15:27), 編輯推噓0(002)
留言2則, 2人參與, 最新討論串1/1
Could anybody tell me what are the difference of following two sentences? Smallpox infection has a mortality rate of between 20 percent and 50 percent. vs Smallpox infection has a mortality rate between 20 percent and 50 percent. When you will choose to add of in a sentence? -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 125.225.171.21

04/26 12:14, , 1F
"of" is unnecessary. Some may even call it wrong.
04/26 12:14, 1F

04/26 13:41, , 2F
Smallpox... rate of 20 percent to 50 percent.
04/26 13:41, 2F
文章代碼(AID): #16BmBuAx (EngTalk)
文章代碼(AID): #16BmBuAx (EngTalk)