v. （车辆、轮子等）向后移动，倒退，尤指下坡时倒滑；把（价格、税收、福利等）压低到较早水平，或撤销（法律、政策等）使回到先前状态；击退，迫使（敌人、进攻等）退却；（计算机）回滚，使（系统、数据库、事务等）恢复到先前状态；roll back the clock/the years 让时光倒流，使回到过去状态
And it rollsback expensive handouts for uncompetitive sources of energy, calling instead for a free and open marketplace for energy development, innovation and exploration.
Also up in the air: the fate of other Western executives, who might jump ship if Lenovo rollsback some of Amelio's pushes to globalize company culture, such as conducting meetings in English and goosing hr programs.
While the House bill contains some of the important provisions of the Senate bill, it lacks key improvements - like protecting more victims and requiring dating violence and sexual assault prevention programs on campus - and, in some cases, it actually rollsback current protections for victims of domestic violence.