副詞 in principle:

1. with regard to fundamentals although not concerning details
   同義詞：in theory, in essence

1. They have agreed to the proposal in principle but we still have to negotiate the terms.
   他們基本上同意了那項提議，但我們仍須商定條件。
2. I have been a selfish being all my life, in practice, though not in principle.
   我生平是個利己的人，雖然只在實踐而非原則上如此。
3. The board of directors approved the project in principle.
   董事會原則上同意這個項目。
4. The Treasury was opposed in principle to the proposals.
   財政部原則上反對這些提議。