purporting

I didn't read it all but I think the purport of the letter was that he will not be returning for at least a year.

我没有把信读完，但我想这封信的大意是说他至少一年不回来。

The study purports to show an increase in the incidence of the disease.

该研究据称显示出这种疾病的发病率在上升。