That would be the most complete solution to the problem. "To do that, however, all the year-dates in all programs must be converted to a four-digit format, and then all the year-dates in every single file ever created must be changed over as well. Files have to be changed to a different format, and the revised files require more storage capacity. The cost of these changes is prohibitive for many companies.
這是最徹底安全的方法」，陳建國指出，只是這種方法必須要將所有程式及歷年堆積如山的資料檔都一併修改，檔案的格式要變更、容量要加大，不僅工程浩大，而且所費不貲，超乎多數企業的能力。