可恰恰相反，她其实是个自私的讨厌鬼。
可事实恰恰相反。争吵总是避免不了的。
PC用键盘则恰恰相反，不但价格便宜，稳定可靠，而且是编码键盘，可自动扫描键盘并通过键盘用标准5芯插口发送按键的扫描码。
By contrast, PC keyboards are not only cheap, stable and reliable but also a kind of coded keyboard which can be scanned and send the scan code via a standard 5 core socket automatically.
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