Hxen.com's tips：Every day persisted can learn English well!-->■Learn English Everyday■
urbanization – n. the process by which towns and cities are formed and become larger as more and more people begin living and working in central areas
luxury – n. something that is helpful or welcome and that is not usually or always available
What is being done to make cities smarter in your country? We want to hear from you. Write to us in the comments section.
