commited expense是什么意思?

commited expense是什么意思? operating expense-R&D expense 是什么? I am a commited weight expense 谐音, relocation expense “expense”是什么意思? Expense Code “expense”是什么意思 no expense spared这个是什么短语吗?作状语吗 spared是什么词 investment,expense,cost,payment这四个单词的区别是什么?用法各自有什么特点? expense of 和 expense for 区别? operating expense 包括那些俄expense expense怎么读 expense cost的区别 at the expense expense可数吗 out-of-pocket expense General&administrative Expense是什么意思?