Facebook AI’s WMT21 News Translation Task Submission Chau Tran author Shruti Bhosale author James Cross author Philipp Koehn author Sergey Edunov author Angela Fan author 2021-11 text Proceedings of the Sixth Conference on Machine Translation Loic Barrault editor Ondrej Bojar editor Fethi Bougares editor Rajen Chatterjee editor Marta R Costa-jussa editor Christian Federmann editor Mark Fishel editor Alexander Fraser editor Markus Freitag editor Yvette Graham editor Roman Grundkiewicz editor Paco Guzman editor Barry Haddow editor Matthias Huck editor Antonio Jimeno Yepes editor Philipp Koehn editor Tom Kocmi editor Andre Martins editor Makoto Morishita editor Christof Monz editor Association for Computational Linguistics Online conference publication tran-etal-2021-facebook https://aclanthology.org/2021.wmt-1.19/ 2021-11 205 215