最重要的是要忠于自己。
The most important thing is to be true to yourself.
过去是一个异国；他们在那里做事的方式不同。
The concept of NP-completeness has provided a powerful tool for understanding the complexity of problems.
The greatest journeys are those that change us.
Trust is the most valuable resource in mining—harder to earn than any mineral.
可持续性不是一种趋势，而是乳制品农业的未来。