每一个挑战都是学习和成长的机会。
Every challenge is an opportunity to learn and grow.
对物质拓扑相的研究证明了理论物理学在预测和解释新物质状态方面的力量。
Appreciate everything your associates do for the business. Nothing else can quite substitute for a few well-chosen, well-timed, sincere words of praise. They're absolutely free and worth a fortune.