Enterprise software development is hard; it takes the careful alignment of enormous resources, collaboration, and discipline to put, for example, a banking system on Wall Street into production.
企业软件开发相当困难；例如，需要仔细安排大量的资源、协作和规程才能使华尔街的银行系统投入生产。
With the fast development of modern banking product, Bank needs to provide more and more service for these new functions, which cause banking software to be much more complex than before.
随着现代银行业务的迅猛发展，银行提供越来越多的功能的服务，从而导致银行软件系统日益复杂化。
But with the banking service updating, software system become more complex, development and maintenance become much more difficult.
但是随着银行业务的增加和更新，系统日益复杂，系统开发和维护的难度越来越高。
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