Mcmxcviii意思

"MCMXCVIII" 是羅馬數字的表示法，轉換成阿拉伯數字是 1998。每個羅馬數字的含義如下：

• M = 1000
• C = 100
• X = 10
• V = 5
• I = 1

所以，從左到右，"MCMXCVIII" 表示：

• M = 1000
• CM = 900 (因為 C = 100, but CM = 900 because M is already 1000)
• XC = 90 (because X = 10, but XC = 90 because C is already 100)
• V = 5
• I = 1

將這些數值相加得到 1998。