在本质上

• in itself

例句

1. 那两样东西在外表上相同，但在本质上不同。
   The two things are the same in outward form but different in essence.
2. 至于我头脑中已有的计划，在本质上并不坏。
   As for the scheme I have in my head, it is not a bad one in itself.