problem作為問題時可數(shù)嗎

　　We need to take a more global approach to the problem.

　　我們需要更全面地看這個問題。

　　This is going to be a huge problem for us.

　　這將是我們的一大難題。

　　There must be a way around the problem.

　　肯定有解決這個問題的辦法。

　　Let's attack one problem at a time.

　　咱們一次全力處理一個問題。

　　One major problem did present itself, though.

　　不過，確實出現(xiàn)了一個重大問題。