为了迎接奥运，他还决定把这些圈做成五种颜色：红、蓝、黄、黑、绿，就像奥运五环一样。

For the Olympics, he decided to make the rings in five colors: red, blue, yellow, black and green, just like the Olympic rings.

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在下面这个例子里(取自Microsoft博客)，一个恶意程序(红圈)假装成某一安全的查看和打开文件选项(绿圈)。

In this following example, taken from the Microsoft blog, a malicious program (circled in red) is pretending to be the safe option (circled in green) of viewing and opening files.

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