Mutations are the ultimatecause of all the genetic differences, including the differences between a human and a banana, between a starfish and a toadstool.
突变是所有基因差异的最终原因,包括人类和香蕉,海星和伞菌之间差异。
2
The ultimatecause of failure only deepens the sense of puzzlement.
此次失败使迷茫的感觉更加深入。
3
The ultimatecause of what's happened has been the advertising campaign.