书咄咄,且休休,一丘一壑也风流。不知筋力衰多少,但觉新来懒上楼。挥手自兹去,萧萧班马鸣。Current wisdom says that (当前流行的看法认为)if you want a successful product, you need first to perform detailed market analysis, making sure that there are plenty of people who need the new product and that your entry into the market will be able to gain a significant share of that market. |