Project management is not a stepping stone to product management, nor vice versa.
项目管理不是产品管理的垫脚石，产品管理也不是项目管理的爬墙梯。
You do not need to use Beautiful Soup with mechanize, nor vice versa, but more often than not you will want to use the two tools together as you interact with the "actually existing Web."
您不需要 将 Beautiful Soup 用于 mechanize，反之亦然，但是多半情况下，当您与 “实际存在的 Web” 交互时，您将希望同时使用这两种工具。
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