If be to have change, we present person is much, we consider the its impracticable business that do before, can do now, e.g. digital search, our conformity is searched.

• 假如是有变化，我们现在的人多了，我们以前想做的事情做不到的事情，现在可以做了，比如说数字搜索，我们的整合搜索。