The essay contains a number of factual errors.
文章中有一些与事实不符的错误。
A number of forged tickets are in circulation.
有一些假入场券在流通。
The new management intends to institute a number of changes.
新任管理层打算实行一些改革。
There are a number of different points of view on this issue.
在这个问题上意见纷纭。
A number of measures were taken to alleviate the problem.
采取了一系列措施缓解这个问题。