 This workpresents  pre-training and fine-tuning as a simplified but more effective approach of differentiating between the two data.
<meaning-changed>  This workpresents  pre-training and fine-tuning as a simplified but more effective approach of differentiating between the two data.
 In this work, we approach back-translation as a domain adaptation problem, eliminating the need for explicit tagging. In the approach -- pre-training and fine-tuning as a simplified but more effective approach of differentiating between the two data.