"Sustainable development" is a polysemous word, which can refer to sustainable development, sustainable development, sustainable development and sustainable development (economic growth mode). 1. It promotes the sustainable development of small economies and their effective integration into the global economy. BBC: International. Business school. Unless they can reverse some trends or find ways to join major knowledge networks, the sustainable development of these countries will be threatened. Unless they can reverse this flow in some way or find a way to join the major knowledge networks, the sustainable development of these countries will be increasingly threatened. "Reform and opening-up policy" means 1. Since the reform and opening up, Maoming has undergone earth-shaking changes. Since the reform and opening up, Maoming has undergone earth-shaking changes. 2. Since the reform and opening up, this industry has maintained rapid growth and played an important role in Hechuan economy. Since the reform and opening up, it has maintained rapid growth. It has become an important part of Hechuan economy. 3. With the development of China's reform and opening up, its products are not only widely used in rubber industry all over the country, but also exported to Japan and Southeast Asia. With the deepening of reform and development in China, the company's products have been widely used in domestic rubber industry and exported to Japan and Southeast Asia.