From the social structure of the world is moving into the "elderly society" by the United Nations has predicted that there will be more elderly people from 687.9 million in the year 1968 is the year 2549 (2006) 2593 million, which is Asia's most number of seniors and the elderly on the rise, it will become the "tourists", a new group with a lot of.
การแปล กรุณารอสักครู่..