N a wheel containing a plate or web instead of spokes 盘式轮
To avoid making everyone reinvent the wheel for every new web development project, some programmers have come up with development frameworks that do some repetitive work for you.
为了避免这种每次开发一些新网站都会重复劳动一次的问题，一些程序员动手搭建了一些框架，让框架替我们完成重复性的工作。
Symfony is based on experience. It does not reinvent the wheel: it uses most of the best practices of web development and integrates some great third-party libraries.
Symfony是经验的总结：它使用了大多数Web开发的最佳经验，并集成了一些伟大的第三方库。
The tiny, common European spider is best known for the classic wheel-like web beloved of children's drawings.
圆网蛛体型很小，是欧洲地区一种较为常见的蜘蛛，其最著名之处当属能够编织出车轮般圆圆的网。
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