常見例句

雙語例句

• Each argument must be an expression that evaluates to a nonnegative integer.
  每個參數(shù)必須是計算結果為非負整數(shù)的表達式。
• The resulting value must be a nonnegative integer less than the sequence's length, and the sequence is asked to assign the assigned object to its item with that index.
  最后的值必須是一個小于該序列長度的非負整數(shù)，然后該序列就被請求將被賦對象賦值給它帶那個指標的項。
返回 nonnegative integer