digraph {
	rankdir=LR
	"贫穷"
	"中产"
	"富裕"
	"贫穷" -> "贫穷" [label=1.0]
	"中产" -> "贫穷" [label=0.1]
	"中产" -> "中产" [label=0.8]
	"中产" -> "富裕" [label=0.1]
	"富裕" -> "中产" [label=0.2]
	"富裕" -> "富裕" [label=0.8]
}
