科学家们的解释则是，有些北极熊由于饥饿可能会聚集在人类居住区周围。这就导致人们产生一种错觉，误认为北极熊的数量比其实有数量要多。
Scientists have responded by noting that hungry bears may be congregating around human settlements, leading to the illusion that populations are higher than they actually are.
命运总会出其不意来一个难题，这时你会产生一种错觉，好像有很多选择摆在你的面前，你可以随心所欲。
Fate always by surprise with a problem, then you can produce a kind of illusion, seem to have a lot of choices in front of you, you can do what you like.
纯白色的T恤会产生一种错觉，让肩膀看起来更宽阔腰部更消瘦，产生了更好的V形身体，这是一种很强的阳刚之气的表现。
A plain white T-shirt can create an illusion that broadens the shoulders and slims the waist, producing a more V-shaped body, which is a top sign of masculinity.
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