但以現況而言，我評估只能再爭取提高購車預算至 $ 20,000.

但以現況而言，我評估只能再爭取提高購車預算至 $ 20,000.

結果 (英文) 1:

But in the current situation, I estimate that I can only strive to increase the car purchase budget to $ 20,000.

結果 (英文) 2:

But as it is, I would only assess that I can only try to raise the car purchase budget to $20,000.

結果 (英文) 3:

However, as far as the current situation is concerned, I can only try to raise the car purchase budget to $20000