On the other hand if you are still using Xcode 3 only to avoid the Xcode 4 learning curve it is time to make the switch.
从另一方面来讲，如果你仍然在使用Xcode3只是为了免去Xcode4的学习曲线的话，那么是时候做出转变了。
That is why after learning English for three-plus years, you are still not able to communicate in it fluently.
这就是为什么在学习英语三年多后，你仍然无法用流利的英语交流。
If you're just poking around with PHP to learn it and don't have a specific project in mind, these projects are still great examples of what you can do with PHP and serve as great learning resources.
如果您仅仅是初步了解和学习PHP，在心中并没有具体的项目，那么这些项目对于使用PHP仍然是很好的示例和学习资料。
If you're just poking around with PHP to learn it and don't have a specific project in mind, these projects are still great examples of what you can do with PHP and serve as great learning resources.
如果您仅仅是初步了解和学习PHP，在心中并没有具体的项目，那么这些项目对于使用PHP仍然是很好的示例和学习资料。
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