[br]More difficulty has arisen because vendors have been slow to relinquish their captured customer bases by making their applications easier to integrate with competing systems.
[br]More difficulty has arisen because vendors have been slow to relinquish their captured customer bases by making their applications easier to integrate with competing systems.
已经出现了更大的难题，因为厂商迟迟不愿为自己的应用系统与竞争对手的系统进行集成提供方便，从而把获得的客户群拱手相让。