在转型期间，石油和天然气行业在全球能源结构中发挥着关键作用。
The oil and gas industry has a critical role to play in the global energy mix during the transition period.
The advancement of robot technology is to make human life better.
有记者问：“您的最终理想目标是什么？”张瑞敏回答说。
在石油行业，效率和可持续性是同一枚硬币的两面。