裁さい量りょう所しょ得とくさいりょうしょとくMeanings1noundiscretionary incomeEconomic term for income remaining after taxes and essential living expenses, available for saving or non-essential spending.裁さい量りょう所しょ得とくが増ふえれば、趣しゅ味みや旅りょ行こうにお金かねを使つか