Before revision:  Experiments demonstrate that our model is able to generalize well in previously unseen problem instances, and  it achieves a 47 \% improvement over the benchmark success rate, even in very large-scale instances that are 100x larger than the training instances.
After revision:  Experiments demonstrate that our model is able to generalize well in previously unseen problem instances, and that it achieves a 47 \% improvement over the benchmark success rate, even in very large-scale instances that are 100x larger than the training instances.