This will be a problem for some time to come.

　　這將是未來一段時期里的一個問題。

　　I have some information you may be able to use.

　　我有些可能對你有用的信息。

　　I have some work for you to do.

　　我有些事要你做。

　　I'm doing some research on the subject.

　　我正就這一課題進行研究。

　　Researchers in this field have made some important new discoveries.

　　這個領域的研究人員有了一些重大的新發(fā)現(xiàn)。