drop in value

请问有drop in value这个词组吗？
出自：After World War I,the German mark dropped in value from 81 makes to an Am dollar to one million marks a dollar.

drop in value drop in 的相关知识 a drop in the bucket 什么意思？ a drop in the bucket mister是什么意思 drop in on sb. / drop in at a place翻译 what do you value in a caree? please drop in any time you like.什么意思 "A drop in the bucket"意思 高手,请帮我翻译一下,in both drop-in and undermount installation 翻译no value I read book in the readroom