字典網>> 英漢字典>> D開頭詞條>>discretionary personal income的意思 漢英字典discretionary personal income中文翻譯:【經】 個人可任意支配的所得相關詞條:discretionary licensing discretionary fixed cost discretionary costs discretionary allomance discretionary discretionary trust discretionary array method discretionary principle discretionary wiring method discretionary purchasing power