In hindsight, the question remains open as to whether the failure to provide a timely solution, and the travails before implementing one, have not been much more expensive than opting for IMIS.
事后看，与选择综管系统相比，未能及时提供解决办法，以及实施解决办法之前的麻烦，代价是不是更昂贵，这个问题仍然没有定论。