The key will be to abandon the rather simple and static measures of sustainability, which centre on the need to maintain production without increasing damage.
关键将是放弃相当简单和静态的可持续性措施，这些措施的核心是在不增加损害的情况下维持生产。
2
Production efficiency of aluminum smelters is another key problem.
炼铝厂的生产效率是另一关键问题。
3
Key factors of production such as manual labor and energy are still in short supply.