C2 原则上，大体上，基本上
If you agree with or believe something in principle, you agree with the idea in general, although you might not support it in reality or in every situation.
In principle I agree with the idea, but in practice it's not always possible. 我大体赞成这个想法，但实际上这并非总是可行。
They have approved the changes in principle. 他们基本上批准了这些变革。
We were willing in principle to offer her a room in our house.
The terms of the contract were agreed in principle last week.
In principle, ministers believe that a national ID card scheme would have major benefits.
See also: principle (IDEA)