狗可以阅读信号 - 看羊皮；他们了解左右的手动作。狗不是傻瓜。”他停了下来。“好吧，有些是。有些狗真的很愚蠢，乌尔夫。
(Dogs can read signals -- look at sheepdogs; they understand hand movements for left and right. Dogs are no fools, you know." He paused. "Well, some are. Some dogs are truly stupid, Ulf.)
狗可以阅读信号 - 看羊皮；他们了解左右的手动作。狗不是傻瓜。”他停了下来。“好吧，有些是。有些狗真的很愚蠢，乌尔夫。
(Dogs can read signals -- look at sheepdogs; they understand hand movements for left and right. Dogs are no fools, you know." He paused. "Well, some are. Some dogs are truly stupid, Ulf.)
