请用英语简单介绍下什么是市场营销

what is marketing? In short, marketing is any activity that allows your customer to find out who you are and what you do. Is advertising marketing? Yes. Is sales marketing? Yup. Is your service department involved in marketing? You better believe it. Does your janitorial staff market for you? Absolutely. Whoa, now wait a minute. How is that? How does your janitorial staff market for you? Well, the staff at Disney World is the best example. You can ask anyone – a maintenance worker, a bus driver, anyone – a question, and they either know the answer or they ll find out for you