The ladder of success is best climbed by stepping on the rungs of opportunity.
The best marketing strategy is a product so good it markets itself.
经济学的目标是理解如何以最高效的方式分配稀缺资源。
挑战在于在建筑环境与自然世界之间创造和谐。
In saying that someone did something, we may be doing something ourselves.