Learning general English will help you master the different areas of application of the language: speaking (also known as speaking), writing (or writing) and listening (or listening). Each one of these learning are different and there are methodologies to understand each one, so you can have fluent conversations with people from different parts of the world, be able to chat or write emails that allow you to connect with new colleagues or listen to a podcast or a movie without the need for simultaneous translations.
Learning English is a basic and necessary tool in both the personal and professional world, so your academic training should always include this skill and with it you will obtain better results.