"Republicans have been able to get some traction with this idea that the government is expanding in all kinds of ways that are going to have unintended consequences and unforeseen effects on your lives,"

VOA: standard.2009.08.12

And so you can really-- the process starts to pick up traction pretty quickly.

这样你就可以-,启动项目，沿着这条索引，迅速地完成整个计划。

哈佛公开课 - 计算机科学课程节选

Some political analysts argue that the issue is unlikely to gain any traction before then, especially if concerns over the near 10 percent unemployment rate and health care continue to dominate the political agenda.

VOA: standard.2010.03.21