To make a lasting marriage we have to overcome self-centeredness.
要使婚姻长久，就需克服自我中心意识。
Quality is not a luxury; it is a necessity.
The process of political decay is as natural as political development.
The silence between them was heavy, filled with unspoken words and unresolved emotions.
Innovation in computer graphics often comes from the intersection of different disciplines, such as physics, mathematics, and art.