英文: What was the underlying cause?
中文: 潜藏的致因是什麽呢?英文: The underlying mechanisms for infrasonic bioeffects
中文: 次声生物学效应的相关机制英文: The story has an underlying theme.
中文: 这故事有一个内在的主题。英文: System sciences:Meta-theory Underlying Biological Theory
中文: 系统科学:生物学理论背后的元理论英文: A big driver is the underlying collateral.
中文: 一个主要原因是基础担保物的存在。