Once the environmental problem occurs, it is not only laborious, but also difficult to change, and even irreversible. Therefore, the view of "development first, then governance" is not only one-sided, but also very dangerous. This passage mainly supports the view that:. ['Environmental issues are a complex issue.', 'The prevention and control of environmental problems must be combined.', 'A comprehensive environmental assessment must be carried out for major projects.', 'Governing environmental issues.']