https://www.kecl.ntt.co.jp/icl/lirg/jparacrawl/ <br />

ct2-fairseq-converter --model_path big.pretrain.pt --data_dir . --source_lang en --target_lang ja --output_dir ../converted/jparacrawl-v3-big-ct2/en-ja

ct2-fairseq-converter --model_path ./big/big.pretrain.pt --data_dir ./big --source_lang ja --target_lang en --output_dir ../converted/jparacrawl-v3-big-ct2/ja-en