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来源:雅诚德英语网
The initialization of the "input" and "output" objects was omitted from the above sample code for a good reason: it's more complicated than the rest of the code.
在上面这个简单的例子中,我们将对“input”和“output”对象的初始化工作都省略了,原因在于:与其余代码相比,这些工作要更加复杂。