How to Improve Your English for Call Center: Tip #1

In this lesson, I discussed the benefits of listening to improve both your English fluency and accent for your call center job. I also explained why it's the technique that all non-native English speakers should focus on above reading, writing and studying the grammar rules.
SOURCES:
english.stacke... (How often do people say “gotta”, “wanna” or “gonna” in English speaking countries?)
www.bbc.com/ne... (How many words do you need to speak a language?)