If you think this sounds like an impossible situation , you are correct - it is practically impossible to accurately schedule any kind of code restructuring unless you have some way of assessing the risks 您也許認為這是一項不太可能完成的任務,您是對的精確地計劃任何形式的代碼重構實際上是不可能的,除非有某種可以對風險進行評估的方法。