马克经常带着书去贝丝家学习。
意大利的一个典例是贝鲁思科尼集团，而提到国外的例子时，马克斯韦尔和默多克会出现在脑海中。
One Italian example would be the Berlusconi group, while abroad Maxwell and Murdoch come to mind.
博尔德市科罗拉多大学的认知动物行为学家马克•贝科夫认为“这是狗和狼的明显区别。”
"That is a clear difference between dogs and wolves, " says Marc Bekoff, a cognitive ethologist at the University of Colorado, Boulder.
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