Perseverance underlies his sucesses.
坚持不懈是他成功的基础。
The underground parking underlies the basement.
地下停车场位于地下室之下。
Family background somehow underlies the personality and individual differences.
家庭背景以某种原因造成了性格和个体差异。
"Shanghai has increased its relative ranking in the instrumental factors－the quantitative measures－that underlie the index.
Since the 18th CPC National Congress, with the courage to make theoretical explorations and innovations, the CPC has, from an entirely new perspective, deepened its understanding of the laws that underlie governance by a communist party, the development of socialism, and the evolution of human society.