Whether you can access the Internet is not a problem. The way to learn is a trivial matter. The key is that if you follow the wrong teacher, you will regret it for life. What books you read and who you read are very important. I am afraid that the person who wrote the book will not write the core things. , only by following the right master can you learn something. It is recommended that you find your own teacher Liang Weibin. He will design a method for you to listen to the class based on your situation. You can do it on your mobile phone.