"We can rule out that the dogs simply distinguish between the pictures based on a simple cue, such as the sight of teeth," said study author Corsin Muller.
研究作者科辛·穆勒说：“我们可以排除狗只是根据简单的线索来区分图片，比如看到牙齿。”
The rationale for this rule is that you cannot distinguish an inherited work item from a direct one at first sight.
此规则的基本原理是您不能立刻从直接工作项中区分继承的工作项。
It was a dreadful sight they saw, a wordless condemnation of their rule.
他们看到的是一幅可怕的景象，对他们统治的无言谴责。
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