[经] total net cash inflow discounted
jìng xiàn jīn liú liàng zhé xiàn zǒng é ㄐㄧㄥˋ ㄒㄧㄢˋ ㄐㄧㄣ ㄌㄧㄡˊ ㄌㄧㄤˋ ㄓㄜˊ ㄒㄧㄢˋ ㄗㄨㄥˇ ㄜˊ