A bubble chart shows the relations of three variables. Two variables are used for the position on the x-axis and y-axis, while the third variable is shown as the relative size of each bubble.
气泡图表展示了三个变量的关系。两个变量用于指定在 X 轴和 Y 轴上的位置，而第三个变量显示为每个气泡的相对大小。