There are two ways to extend a business. Take inventory of what you are good at and extend out from your skills. Or determine what your customers need and work backwards, even if it requires learning new skills.
"A writer’s duty is to disturb the comfortable and comfort the disturbed."
——伦敦《每日纪事报》刊出〈孙逸仙讲述他第一次起事反抗中国皇朝之故事〉,1911年10月14日