Lawes received the ban for striking Argentina hooker Mario Ledesma with his knee during England's opening World Cup game.
"I thought it was a bit harsh but what can you do?" Lawes said. “You just have to get on with it and take it on the chin and that's what I have done."
"There was a very good game at the weekend and a lot of the boys played really well.
"I think in training this week I have to do whatever I can to try and get back into the team."
England see out their pool stage campaign against Scotland on Saturday, October 1.