]image reflection on challenges and opportunities China's rise: challenges and opportunities 中国新城与新区：挑战和机遇的影像思考：[中英对照]：image reflection on challenges and opportunities Achievements, challenges and opportunities critical discourse on challenges and opportunities Ageing: Challenges and opportunities Internet of things：challenges and opportunities a global assessment of the challenges and opportunities business challenges and opportunities 并列题名：Ageing: Challenges and opportunities