...he sea,the flat area may extend for hundreds of miles ? 凡河流流入大海，平地可延长数百英里 population shifts ? 人口迁移 If we can only encounter each other rather than ? 如果我们只可以每遇到其他而不是 ..
2
?人口的变化
... 农业增长和人口变化 Agricultural Growth and Population Change 人口的变化population shifts 人口结构变化 demographic shifts ; changing demographics ...
3
?人口转变
...an just watch other children play ? 在过去，杰克喜欢体育运动，但现在也只是看着其他孩子玩耍 population shifts ? 人口转变 Progressive dies can be made a distinction between two rows and three rows, during one presetted stamping circle diffren...
4
?人口流动
), lifestyle changes, population shifts（人口流动）, education, trends, fads（风尚）, diversity, immigration/emigration, health, living standards, housing trends, fashion,...