当在Variables部分中添加变量时，会将该变量添加到当前选择的范围。

When you add a variable in the Variables section, you are adding it to the currently selected scope.

youdao

唯一不同的是它还将显示一个加号按钮，用来将当前所选择的功能添加到面板上。

One difference is that it will display a plus button which can be used to add the currently selected action to the panel.

youdao