in principle   (TTS發音)

as a general rule；as a matter of principle 大體上；原則上

    I agree with you in principle. 我原則上同意你的意見。

    This，in principle，is a good project，but we need to go further into the details. 這個計劃大體上是好的，但在細節方面我們還得作進一步的推敲。