但現

In a sentence

• 但現有的資料不足以支持這個論點。

  However, the existing data is insufficient to support this argument.

  In this sentence, "但現" introduces an opposition or limitation to the preceding idea, where "現" refers to the current state.

• 如今世界發展迅速，但現階段仍有許多挑戰。

  Nowadays the world is developing rapidly, but there are still many challenges at the current stage.

  Here, "但現階段" refers to "but at the current stage"—indicating a temporal frame where the challenges exist despite progress.

• 我們有許多想法，但現在需要明確的行動計劃。

  We have many ideas, but we now need a clear action plan.

  In this usage, "但現在" highlights the contrast between possessing ideas and requiring action at the present time.