向此成追感,新愁易积,故人难聚。凭高尽日凝伫,赢得消魂无语。极目霁霭霏,暝鸦零乱,萧索江城暮。南楼画角,又送残阳去。海内存知己,天涯若比邻。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. |