英语翻译However,there are question marks over long-term profitab

英语翻译
However,there are question marks over long-term profitability.The traditional providers say there is bound to come a point when the new banks will eventually want to widen margins and boost profits.
请求高手翻译.其中还有两个问题：
1.这里的bound是什么意思?be bound to是必然、保证做某事的意思.但是前面既然有个there,bound应该是做名词用了,但是bound又是可数名词,应该用 a bound 或bounds才对,真是混乱了.
2.come a