For example, some homegrown mainframe-based solutions running at IT shops of financial service companies have been wisely built with the purpose of future reuse and change requests, in a loose coupling approach.

例如，运行在一些金融服务公司的IT部门中的内部开发的基于大主机的解决方案，已经很聪明地考虑到了将来的复用和变更要求，以一种松耦合的方式来构建。