What is less clear is just how much of business and consumer software will migrate into the cloud, and how fast.
有多少业务和客户软件会迁移到云中，这个过程有多快，还不得而知。It is not clear how much further Brazil is willing to go in keeping the world's peace.
巴西今后愿意在维护世界和平这条道路上前进多远，我们不得而知。It's unclear how much of the price Unicom is charging was decided by the Chinese company and how much by Apple.
联通iPhone的售价多大程度由中国联通决定，多大程度由苹果公司决定，尚不得而知。With Treasurys yielding only 3%, it's not clear how much more demand the Fed will spur by getting them down to, say, 2. 5%.
由于财政部获利仅3%，例如美联通过降低利率到2.5%，它更能刺激多少需求还不得而知。Several languages seem to have been spoken on the Korean Peninsula at this time, and that of the Yayoi people is unknown.
这时朝鲜半岛上有好几种语言，而弥生人的语言却不得而知。Just how much has already sunk and what portion is still floating is unknown.
究竟有多少已经沉没，有多少仍在漂浮目前还不得而知。"Quantitative easing is the whipping boy, but it is not clear how much it is to blame for the reallocation of savings, " he said.
“量化宽松是替罪羊，但储蓄的重新配置在多大程度上应归咎于量化宽松，目前尚不得而知。”How much money it has cost the South may never be known.
韩国在接触政策上花费多少，也许永远不得而知。They are going to have to re-route customers, no word on how much that is going to cost them.
他们将不得不为顾客更改路线，他们将要为此支付多少费用尚不得而知。