You should substitute the <font color="green">value colored in green</font> (for illustrative purposes only) to one of the following: '''stable''', '''testing''' or '''unstable'''. sudo pacman-mirrors --api --set-branch <font color="green">{branch}</font>
你应该替换下面被标记为绿色的部分（仅用于说明目的）为以下参数: "stable"，"testing"或者"unstable"。
sudo pacman-mirrors --api --set-branch {branch}