1.It's quite natural for us to ponder that + 题目问句.
2.First and foremost,No one can deny `technology` has helped people in a lot of areas, such as medical science, physics and entertainment.
3.Based on big data, a majority of (successful social elites) admitted that they have spent 2/3 of their time in (doing sth).
4.However, every coin has two side.
5.Where ther is (technology),there is (a cheap work force)