So this project also, because of its involved practicing and learning, doing something over and over again, this project also has a lesson, which is: if you want to do something well, there's no substitute for practice, practice, practice.
所以这项目，也有，因其涉及的实践 与学习，反复做某些事 这个项目也教了一课，就是， 如果你想要做好什么事， 没有什么能替代实践、 实践、 实践。