The alternative approach is simpler but does not provide as fine-grained control. Since the two approaches manage line buffering differently, they should not be mixed.
虽然这种替代方法更简单，但并不具备细节控制能力。因为这两种方法处理行缓存的方式不同，千万不能搞混。
Pay close attention to platform specific communications characteristics such as line feeds and buffering and the conversion of Unicode characters.
关注平台的特定通讯特征，如换行和缓冲以及Unicode字符转换。
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