On some systems, the text color and background color could be defined with a few extra bits.

在某些系统上，文本颜色和背景颜色可以用一些额外的位来定义。

But then once I've written the answer, I, you know, text color white, which means when I'm looking through the spreadsheet, I can't see any of the answers.

但是一旦我把答案写完了，我，你知道，文本颜色是白色的，这意味着当我查看电子表格时，我看不到任何答案。