cover letter 是求职信的意思，而 title page 则是封面或者标题页的意思，区别可以从以下例子看出：

When you hand in your application for the job, you need to have a good cover letter and title page, as recruit officer doesn't have enough time.当你提交工作申请时，你需要有一个好的求职信和标题页，因为招聘官没有足够的时间。