Why does this growth happen? Most of it results from internal migration rather than the international movement of people, and is caused by a variety of push and pull factors.
Why does this growth happen? Most of it results from internal migration rather than the international movement of people, and is caused by a variety of push and pull factors.
为什么会有这种增长呢？大多数增长是由国内的人口流动造成的而不是国际间的人口迁移。这是由多种推动因素造成的。