format item的用法和樣例：
例句
- Braces in a format item are interpreted sequentially in the order they are encountered.
按照在格式項中遇到大括弧的順序依次解釋它們。 - The formatting process replaces each format item with the text representation of the value of the corresponding object.
格式設置過程將每個格式項替換為相應對象值的文本表示形式。
