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。