20 80 cause effect assort background business businessman chalkboard classification compare concept contrast discount distribution drawing economy eighty hand handwrite handwritten holding idea law letter majority management mark marker mass metaphor parallel pareto percent percentage price principle productivity profit proportion rule scale sort text twenty typography word write
您在 中发现了 0“20 80 cause effect assort background business businessman chalkboard classification compare concept contrast discount distribution drawing economy eighty hand handwrite handwritten holding idea law letter majority management mark marker mass metaphor parallel pareto percent percentage price principle productivity profit proportion rule scale sort text twenty typography word write” 图片