银行的投资便要损失相当大的比例.用英语怎么说？

银行的投资便要损失相当大的比例.

The bans would lose a significant percentage of their investment.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

bans

n. 结婚预告，禁止，禁令( ban的名词复数 )；v. 取缔( ban的第三人称单数 )，查封，禁止，禁止某人做某事（或去某处等）；

例句
The Partial Test-Ban Treaty bans nuclear testing in the atmosphere.
《部分禁止核试验条约》禁止在大气层中进行核试验。

would

aux. 将，将要，愿意，会，打算，大概；v. (will 的过去式，用于转述)将；

例句
I would love to go abroad this year, perhaps to the South of France.
我今年很想出国，可能是去法国南部。

lose

vt. 失去，错过，遗失，耽搁；vi. 损失，输掉，走慢，降低价

例句
Without more training or advanced technical skills, they'll lose their jobs.
没有进一步的培训或高级技能的话，他们就会丢掉工作。

significant

adj. 重要的，显著的，有重大意义的，意味深长的；

例句
You can look forward to a significant cash return by saving from as little as £10 a month...
只要每个月存下区区10英镑，你就有希望得到相当可观的现金收益。

percentage

n. 百分比，百分率，比例，部分，[数]百分法，[商]手续费；

例句
He has a clause in his contract which entitles him to a percentage of the profits.
他的合同中有一项条款，使他有权分得一定比例的利润。

of

prep. 关于，属于…的，由…制成；aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气]；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

their

pron. 他（她，它）们的，在提及性别不详的人时，用以代替 him 或 her；

例句
Their permissiveness toward their children reflects the wild abandon of their own lives.
他们对孩子的放任折射出他们自身生活的放浪形骸。

investment

n. 投资，投资额，封锁，（时间、精力的）投入，值得买的东西；

例句
President Mwinyi said his country would also like to attract investment from private companies...
姆维尼总统说他的国家同样愿意吸收来自私营公司的投资。