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號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(guò)程將每個(gè)格式項替換為相應對象值的文本表示形式。