How to use this page to start learning?

This page contains three aspects:Learning, Training and Using. Here are the introductions:

Learning：It is mainly taught by instructional videos. Learners can choose what they need to learn from the list, and click to enter the video learning.Learning can be seen directly in the default state.

Training：It is mainly to help learners practice what they have learned, and to verify and consolidate what they have learned in practice.The training is hidden by default, you need to click the training to enter.

Using：It is mainly to help learners apply what they have learned to practice. The using is hidden by default, you need to click the using to enter.