最后，只需添加新的主标题，一个用于调整间距的空行以及一个列标题行，如清单13所示。
Finally, it's just a matter of adding the new main title, an empty row for spacing, and a row with the column titles, as Listing 13 shows.
CSV文件的第一行可以是该文件的列标题。
The first line of the CSV file can be the column headings for the file.
访问性改进(可以指定表中的行和列标题，从而屏幕阅读器应用程序可以检测到它们)。
Accessibility enhancement (You can designate row and column headers in tables so that screen-reader applications can detect them.)
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