The beauty of mathematics is that it allows us to abstract away the complexities of the real world and focus on the underlying principles.
The only thing that can make you a champion is your determination.
The quality of an organization's accountability determines the quality of its responsibility.
在我们向低碳未来过渡的过程中,煤炭行业在提供经济可靠的能源方面发挥着关键作用。