理解经济波动的关键在于理解人们如何形成预期。
Dreams are the seeds of greatness, but hard work is what makes them grow.
语言教学的本质在于思维能力的培养,而不仅仅是知识的积累。
Topology is the study of the properties of a figure that are unchanged by any deformation.
Architecture is a social art, and the architect is a social being.