其他的研究者已经在猪，山羊，绵羊和猴子身上做过相似的试验。
Other researchers have carried out similar experiments with pigs, goats, sheep and monkeys.
一碧如洗的天空上漂着像棉花糖似的白云，这些白云有时像山羊、有时像小白兔，真像魔术师在表演魔术呢！
On a blue sky, such as washing floating like cotton candy-like clouds, these clouds sometimes like a goat, sometimes like a little rabbit, really like a magician performing magic in it!
如果漫画中的山羊终 日悲观地生活在阴影中，它将永远无法获得舒适和幸福的生活。 类似的例子千千万，但是 我认为下面的例子就足够有说服力。
If the sheep in the cartoon feels anxious and pessimistic about the dark shade all day long, he can by no means have a comfortable and happy life.
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