为(目的)奉告某某事项

1. The purpose of this letter is to inform you that (of)

2. The purport of this line is to advise you that (of)

3. The object of the present is to report you that

4. The object of this letter is to tell you that

5. By this letter we Purpose to inform you that (of)

6. Through the present we wish to intimate to you that

7. The present serves to acquaint you that