我更喜欢使用控制器，因为我可以使用它来触发模型逻辑，然后进行某种验证处理，接着将用户路由到一个相应的错误处理或结果页。

I prefer to use a controller, because I can use it to fire the model logic, then do some validation processing, and then route the user to an error-handling or result page as appropriate.

youdao

我将介绍基本关键帧的动画，并教你一些简单的表达式，您可以使用它来实现复杂的动画，而不实际设置任何关键帧！

I'll cover animating with basic keyframes and teach you some simple expressions you can use to achieve complex animations without actually setting any keyframes!

youdao

这里，我要谈的是它的轻便版，这是一个基本备份工具，你可以使用它来简单地备份电脑文件。

Here, I talk about Lite version, it is basic backup tool, you can backup your files easily.

youdao

这里，我要谈的是它的轻便版，这是一个基本备份工具，你可以使用它来简单地备份电脑文件。

Here, I talk about Lite version, it is basic backup tool, you can backup your files easily.

youdao