我想要以下ge字ge中文解釋!!!~thx!
1. living standard
2. population density
3. urbanization
4. primary production
5. secondary production
6. tertiary production
7. unemployment
8. job opportunities
9. food shortage
10. natural disaster
11. flooding drought
12. facilities
13.migration
14. suburb
15. suburbanization
16. mobility
17. urban decay
18. urban sprawl
19. urban redeveloment
20. urban planning
唔該哂~~