English is the universal language spoken by most of the population around the globe. It is used in schools, universities, health fields, corporations and businesses. Hence, there are proper usage of English in various fields and as such, Business English is widely acceptable for most corporations and business people around the world.
You do not normally speak the way you do in a workplace environment. You have to use proper English and not just colloquial words to get through. An infographic below will give you knowledge on the proper use of Business English.