The essay contains a number of factual errors.

　　文章中有一些與事實不符的錯誤。

　　A number of forged tickets are in circulation.

　　有一些假入場券在流通。

　　The new management intends to institute a number of changes.

　　新任管理層打算實行一些改革。

　　There are a number of different points of view on this issue.

　　在這個問題上意見紛紜。

　　A number of measures were taken to alleviate the problem.

　　采取了一系列措施緩解這個問題。