When these approaches were first introduced, many pundits insisted you needed to be a rocket scientist to pull it off, and while not trivial today, high-quality frameworks have helped the cause.
这些方法最初引入时，许多专家认为只有业内行家才能掌握，尽管现在并没有变简单，但是高质量的框架已经可以帮您的大忙了。
To collect the usernames and their corresponding home directories, you can pull the first and sixth fields.
要搜集用户名及其对应的主目录，我们可以提取第1个和第6个域的内容。
When you type grails install-plugin searchable, the first thing that happens is that a request goes out across the Web to pull down the latest lists of plug-ins. Listing 5 shows the details
当键入grailsinstall-plugin searchable 后，所发生的第一件事情是向Web 发出一个请求来拉出插件的最新列表，如清单5 所示
First: you reach for the window frame, undo your seatbelt, pull yourself out and swim to the surface.
第一轮：够到窗户框，解开安全带，把自己拉出去，游到水面上。
First: you reach for the window frame, undo your seatbelt, pull yourself out and swim to the surface.
第一轮：够到窗户框，解开安全带，把自己拉出去，游到水面上。
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