科技创新是推动天然气行业高质量发展的第一动力。

可持续性不是一种趋势，而是我们对未来的责任。

The most successful leaders are those who recognize that leadership is not about them, but about the people they serve.

坚持梦想，永不放弃，总有一天会成功。

That “democracy” is a somewhat vague term which I cannot define precisely. We ought to say, therefore: “I am fairly certain that it is a good thing if a government has something of the characteristics that are common to the British and American Constitutions,” or something of this sort.