010 原来如此 A surprising reasoning
Teacher:"Why ducks often stand on one leg"
Student:"Because it knows that it will fall down if it withdraws the other leg."
老师:"为什么鸭子常用一条腿站立?"
学生:"因为它知道再缩起另一条腿就会跌倒了。"
Teacher:"Why ducks often stand on one leg"
Student:"Because it knows that it will fall down if it withdraws the other leg."
老师:"为什么鸭子常用一条腿站立?"
学生:"因为它知道再缩起另一条腿就会跌倒了。"
