If you're a front-end developer, this is the part of Rails you should focus on.

如果你是前端开发者，这是Rails中你应该特别专注的部份。

youdao

If you're a front-end developer, this is the part of Rails you should focus on.

如果你是前端开发者，这是Rails中你应该特别专注的部份。

youdao