Discount back to present
[经] 折成现值
🧩 词语组成解析
discount
[dɪs'kaʊnt]
vt. 打折扣，减价出售;减息贷款;削价出售，打折;减价，减量;
vi. 折扣;贴现率;贴现;
n. 贴现;数目;（任何面值上的）扣除额;（考虑到故事、报告、报道等的夸张或偏见等）不全信;
dis 取消+ count数量 → 取消一些金钱的花费\r\n → (价格、债款等)折扣
back
[bæk]
n. 背，背部;背面，反面;后面，后部;（椅子等的）靠背;
vt. 使后退;支持;加背书于;下赌注于;
vi. 后退;倒退;
adj. 背部的;后面的;以前的;拖欠的;
adv. 以前;向后地;
to
[tu,tə]
prep. 向，朝着;到;关于;属于;
adv. 朝一个方向的;到某种状态;关闭;
🗣️ 情景例句
I would like to make an appointment for tomorrow morning please.
我想预约明天早上见面。
This professor has put all of his students to sleep except two.
这位教授使得除了两人以外的所有学生都入睡了。
Oil rigs have to be repaired frequently and divers,who often have to work in darkness a hundred feet under water,
钻井平台需要经常修理，潜水员常常要在水面100英尺以下摸黑工作，