When English is not your first language, use P.A.R. to make sure you are understood and are speaking clearly.
Around the world, at this very minute, tens of millions of people are taking classes at language schools; some are using YouTube to learn to speak and listen, and of course, many are learning in their grade schools, high schools, and universities. Many of these people will be required in their careers to use English, so they are often very serious in their approach to learning.