+for The committee’ s report may provide further impetus for reform. 该委员会的报告可能会为改革提供进一步的动力。

gain/lose impetus The peace process has been steadily gaining impetus. 和平进程一直在稳步推进。

give/add/bring impetus to sth The document will give fresh impetus to the debate. 该文件将给辩论带来新的动力。