这意味着它应该有生成器、类似的启动命令行脚本、一个插件框架等。
That means it should have generators, similar scripts to start the console, a plug-in framework and so on.
但生成器比“终止”要更进一步：生成器还“记住”了它在流控制构造(在命令式编程中，这种构造不只是数据值)中的位置。
But a generator goes a bit further than a closure: a generator also "remembers" its position within flow-control constructs (which, in imperative programming, is something more than just data values).
Sphinx 有三个组件：索引生成器、搜索引擎和命令行 search 实用程序
Sphinx has three components: an index generator, a search engine, and a command-line search utility
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