With the mail merge main document open, in the Start Mail Merge group of the Mailings tab, click Select Recipients, and then click Use Existing List.是什么意思_With the mail merge main document open, in the Start Mail Merge group of the Mailings tab, click Select Recipients, and then click Use Existing List.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句