要想找到用一句话描述Rails的简单说明，只需查看项目的主页即可。

To find a simple, one-sentence description of Rails, you need look no further than the project's home page.

youdao

这些东西准备好了，它便下达命令，将两个人带到它面前来，它用一句话简单说：「啊，客人们，对你们而言，我是一个怎样的国王？」

After these preparations he signified his will that the two men should be brought before him, and greeted them with this salutation : "What sort of a king do I seem to you to be, O, strangers?"

youdao

And those instructions, by the way, are very simple: they're things like, take the value out of two places in memory, and run them through the multiplier in here, a little piece of circuitry, and stick them back into someplace in memory.

顺便说一句，那些指令非常简单：,他们从记忆存储器中,取出两个位置的结果，在倍增器中运行，一小部分电路，再将它们插回存储器中的某些地方去。

麻省理工公开课 - 计算机科学及编程导论课程节选