> Yeah, so when green flag clicked, and that's kind of the very explicit way of saying when you start this program by clicking in the green flag, here is what's gonna get executed first.

>，是的，“点击绿旗“,就是用这种直白的方式告诉你,你需要点击这个绿旗才能启动整个程序，这是程序生效的入口。

哈佛公开课 - 计算机科学课程节选

> So this thing here, when green flag clicked say, oh, hi world, this was perhaps the simplest program we could write in Scratch.

>，我们先看看这个例子，“点击绿旗“下面显示“,这也许是我们用Scratch软件写出的最简单的，程序了。

哈佛公开课 - 计算机科学课程节选