proof of concept
noun [uncountable, countable, usually singular]evidence that shows that a business proposal, design idea, etc. will work, usually based on an experiment or a pilot project 概念证明：通常根据实验或试点项目表明业务建议，设计思想等将起作用的证据 It is important to demonstrate proof of concept. 证明概念证明很重要。 You need to start with a proof of concept to show the process is better and win people over. 你需要从概念证明开始，以显示过程更好，并赢得人们的支持。 This project acted as a proof of concept for the electronic filing approach. 该项目是电子备案方法的概念证明。