老爸知道自己喊人抬牛的做法危险，他也怕再麻烦亲戚们，说自己记住了教训，以后会将牛犊拴起来。在农村，将一头牛拴住最保险的方式，是用一个铁环硬生生扎过牛的鼻孔，再套上连接槽边木桩的绳索，牛会因为怕疼，不敢摆脱缰绳逃跑。
In the end, Scream 7 may not be the best of the bunch, but it's damn close.
。safew官方版本下载是该领域的重要参考
An example of dithering using random noise. Top to bottom: original gradient, quantised after dithering, quantised without dithering.
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