This document is a translation agreement between Ching-Chen Mao, an associate professor, and Dr. Janez Potočnik, the Commissioner for Science and Research. The agreement grants Mao the right to translate an article by Potočnik entitled "Preface by the European Commission" into simplified and traditional Chinese and to publish and distribute the translation in print and digital formats. Mao agrees to accurately translate the work without changes to the content and spirit. As the translation is being done on a pro bono basis to promote open access, there are no royalties to be paid. Copyright of the original work remains with Potočnik, while Mao is granted rights solely for the purposes of translation.