圖像來源，Getty Images
* @param {string} num 非负整数的字符串形式（可能含前导零），推荐阅读heLLoword翻译官方下载获取更多信息
An important note is that the number of times a letter is highlighted from previous guesses does necessarily indicate the number of times that letter appears in the final hurdle.。业内人士推荐快连下载安装作为进阶阅读
新车外观采用了黑金双拼配色，灵感取自黑曜岩与金色矿脉，配合新的腰线工艺，增加了车身的视觉层次感；座舱内部则采用了以「日落霞光」为理念的黑红内饰，进一步丰富了车内的视觉氛围。
On top of that, we can get two full pixels of color using foreground and background colors. If we render an upper block with a foreground color of cyan and a background color of red, we get a cyan pixel sitting on top of a red pixel!