1. Why? There are a number of factors accounting for this phenomenon.
2. Many reasons should be responsible for this unpleasant situation.
3. The main reasons probably lie in the following points.
4. There’s no easy job to find the reasons for this tendency which involves several complicated factors.
5. What is to account for this? Now let me enumerate the reasons in the following.
6. Couple of factors gave rise to this tendency nowadays.
7. Explanation for this problem involves many factors.
8. The main reason rests with the following aspects.
9. Several factors spawned this phenomenon.
10. The deep root of this phenomenon lies in the following aspects.
11. A multitude of factors could contribute to the phenomenon.
people 的高级词替换citizen, inhabitant, dweller, resident, teenager, youngster, staff, employer, employee, teacher, instructor, trainer, student, pupil, individual, adolescence, clerk, officer, entrepreneur …
