2014年8月30日土曜日

urbanization 


An increase in a population in cities and towns versus rural areas. Urbanization began during the industrial revolution, when workers moved towards manufacturing hubs in cities to obtain jobs in factories as agricultural jobs became less common.
投稿者 時刻:
ラベル:

0 件のコメント:

コメントを投稿

登録: コメントの投稿 (Atom)