1. Thanks our customers for their support and trust, which is the impetus for us to develop. 感谢我们的客户对我们的支持，你们的信任是……发展的动力。
2. That will have positive impetus function on the further development of our country's hydropower construction. 这些将对我国水电建设事业的进一步发展起到积极的推动作用。
3. I think we all recognise that we need to act before the memory of the crisis fades and before the impetus for reform recedes. 我认为我们全都承认，大家需要在危机的记忆尚未淡忘、改革的动力尚未消退之前，采取行动。
英英解释
n.
1. a force that moves something along
2. the act of applying force suddenly
