You don't need a foundation to learn car film technology. Generally speaking, you can learn without foundation. As long as you are careful and practical, willing to listen to the teacher's advice, you will learn quickly. So don't worry that you have no foundation, can you learn? As long as you are willing to work hard from now on, you will certainly learn.

Then in the face of difficulties, we must build up confidence, and don't be scared into doing nothing because of temporary difficulties, which will only stop us.