You see on the left, when the amount to divide is one, two or three dollars, they disagree about half the time, and when the amount is four, five, six, they agree quite often.
你所能看到的在左边， 当可以分割的数量是一美元、两美元或者三美元时 他们要争执一般的时间， 但当数量为四美元、五美元、六美元时，他们更容易达成一致。