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Question 3 Sustainable development is the process of moving human activities to a pattern that can be sustained in perpetuity. It is an approach to environmental and development issues that seeks to reconcile human needs with the capacity of the planet to cope with the consequences of human activities. Engineering for Sustainable Development: Guiding Principles, The Royal Academy of Engineering. Bike-sharing were once the hottest sharing economy services in mainland China and Hong Kong. However, in July 2018, Hong Kong's first bike-sharing company Gobee bike shut down its business. The CEO of Gobee bike explained that the company had not been able to make the service profitable, and the cost of maintaining the bikes had proven to be too high to sustain the business. Instead of study the business model of bike-sharing, use the three pillars, Eco-centric concerns, Techno-centric concerns and Socio-centric concerns to analyze its sustainability. In additional to the background, you can divide your analysis into eco-centric concerns, techno-centric concerns and socio-centric concerns of this bike-sharing system. (33 marks)