At the village, though the big family disintegrated, many sons of matrimonies and his family returned with the parents live in the same of yard.

• 发达国家承认，鉴于它们的社会发展给全球环境带来的压力，以及它们所掌握的技术和财力资源，它们在追求可持续发展的国际努力中负有责任。