At the overall market level, momentum effects help to explain why bubbles develop.
就市场总体来说，动量效应有助于解释泡沫的形成。
2
They also believed that if they could move forward with agile processes, they would gain momentum in convincing the greater project to move to an agile methodology overall.
他们还相信，如果他们能够推进敏捷流程，他们将有动力说服更大的项目整体改用敏捷方法。
3
We also saw good momentum with premium subscriptions as a result of the overall lift [of membership] on the platform and some continued optimization of the existing product portfolio.