如果你带着一张废纸，假如你已经按如下方式启动了您的程序。

If you have a piece of scrap paper with you, suppose that you've started your program as follows.

youdao

无论如何，你不需要每次重新生成你的应用程序的时候都重新启动模拟器，通常情况下你只需要启动一次并让它保持运行即可。

However, you don't need to boot the emulator each time you rebuild your application-typically you only need to boot at the start of a session and keep it running.

youdao

比如说，你能从浏览器中启动桌面应用程序。

For example, you can start the desktop application from the browser.

youdao

> 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。

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