what's meaning of "Magnetring voll"? I thingk "Magnetring voll"is German,please answer in Chinese or English,thank you!

What's the difference tetween "stock"and "share"? 这两个单词都是“股票”的意思，有什么区别？可以通用么？

what's the difference between"bankrupt"and "bankruptcy"? 这两个单词不一样么？都是“破产”的意思，可以通用么？

account VS book "cook the accounts" and "cook the books" ------------are then the same meaning ?

block release how to translate it in English？

the"batch production"and"production batch" what's the difference between the two phrase?

flow-of-funds and "current assets" are they the same>? 他们都是“流动资产“的意思，有没有区别呢？

what's the difference between"rate"and "ratio"? 这两个词都是“比率”的意思，可以通用么？

“tombstone”明明是“墓碑”的意思，为什么又是“证券发行公告”？ how's that?