- 问题详情:Manypeoplehavethewrongideasaboutpigs.Pigsareactuallyverycleananimals.Onthefarms,theyliveinthedirtyplaces.So,theybecomeverydirty. Inthewild,pigskeepveryclean. Theyarealsoreallysmart.Theymaybesmarterthandogs.So,pigscanlearnthingsfrompeople....
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