This letter arrangement is more efficient than the modified block or the semi-modified block in that no extra time is required for paragraph indention or placement of the date and closing lines.是什么意思_This letter arrangement is more efficient than the modified block or the semi-modified block in that no extra time is required for paragraph indention or placement of the date and closing lines.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句