英语翻译In many cases,new product is the basis of new business.I

英语翻译
In many cases,new product is the basis of new business.It is believde that where there is a demand,there is a supply.In sone cases,there is a patent to ensure success.Too often,however,research and test have not been conductde adequately and the market has not been studide carefully.In general,only less than one-fifth of all new products turn out to be profitable.