number of issues的用法和樣例：
例句
- Finally, it identifies certain pres-sing issues awaiting to be studied and coped with in future flood control works.
最后，提出了面向未來(lái)防洪事務(wù)的亟待研究與解決的若干問(wèn)題。 - This article also mentions some issues which attention should be paid to in its modeling.
討論了石油化工企業(yè)模型化中應加以注意的若干問(wèn)題。
