Exploring the topological aspects of electronic systems not only deepens our understanding of quantum mechanics but also paves the way for revolutionary technologies.
当每一分钱都要精打细算，犯错的空间就消失了。
The most perfect education, in my opinion, is such an exercise of the understanding as is best calculated to strengthen the body and form the heart.
记忆是抵抗遗忘的最后堡垒。