Netpresent value (npv)
[化] 净现值
🧩 词语组成解析
🗣️ 情景例句
How long does it take you to get through a letter?
你写一封信要花多少时间？
There should always be exceptions to the rule.
凡事总有例外。
It will be found that the weight moves but slightly or not at all.
结果会发现，重物是动了，但动得很小，甚至没动。