On repeated proofreading, then invite tutors and translators to help companies know polish translation. All the work is done, the author wrote this report translation.
The author repeatedly proofread, and then invited mentors and company translators he knew to help polish the translation. All the work was done and the author wrote the translation report.
The author proofreads it over and over again, and then invites tutors and company translators he knows to help polish the translation. All the work has been finished. The author has written the translation report.