I'm doing some research on the subject.

　　我正就這一課題進(jìn)行研究。

　　How will the company be doing ten years further on?

　　十年以后公司的情況將如何呢？

　　He's doing very well at school.

　　他在學(xué)校里學(xué)習(xí)很不錯(cuò)。

　　We are doing our best with the limited resources available.

　　我們利用可獲得的有限資源，盡最大的努力。

　　Keep going like that ─ you're doing fine.

　　就這樣做下去——你做得蠻不錯(cuò)嘛。