石油和天然气行业必须进化，否则就会被淘汰。
The oil and gas industry must evolve, or it will become obsolete.
Marriage is encouraged in China, not by the profitableness of children, but by the liberty of destroying them.
Local objections to quarries often stem from our industry's failure to demonstrate long-term value creation.
The key to trading success is to have a solid understanding of market dynamics.
波函数不是描述单个系统，而是描述系统的集合。