我们已经学会了怎么包装架子。
你们怎么包装我们的这批货?
你们打算怎么包装货物?
And I would be able to simply bury away the details of how those other instances are created from how I want to use them by simply calling methods on the classes.
也就是一些线段的组合,我还可以把怎么实现那些,实例的细节包装起来,把它和调用实例分开来,我们下次还会接着讲这个。
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