c*12017-07-02 07:072 楼简化版生活费用/投资回报率/(1-税率) E.G生活费用 $80K投资回报率 = 5%税率 = 30%80K/5%/(1-0.3) = $2.3M生活费用 $40K投资回报率 = 5%税率 = 20%40K/5%/(1-0.2 = $1M生活费用 $30K投资回报率 = 6%税率 = 0%30K/6% = $500k【在 b********c 的大作中提到】: 大家议议?