In the last 12 months, we've had several cases of people who joined and decided not to pay. Over the years, we've also had many who have said they will attend class and not show up. In the media, I've read many cases of restaurants experiencing the same thing. Is this acceptable behaviour?

Be thankful for what has been done for you...

Etiquettes have long been an integral part of Chinese culture. The Chinese civilisation was built on manners and orderly behaviour.