12 The aging of the population will obstruct the development of our national economy, and threaten the sound development of our health care system, retirement system and other welfare and benefits systems.
12 The aging of the population will obstruct the development of our national economy, and threaten the sound development of our health care system, retirement system and other welfare and benefits systems.
12人口老龄化将影响我国的经济发展，威胁我国的保健制度、退休制度以及其他一些福利制度的健康发展。