Mr. Obama will mark time, but henceforth he will not define the national agenda.

他标志着这个时代，但仅此而已，他无法在国家大事上树立里程碑。

youdao

That means that if Barack Obama wants to make a mark in the coming year, he will have to do so in the wider world.

这意味着，如果奥巴马想在来年留下深远影响，他必须为更广阔的国际世界做些什么。

youdao

It is too early to say for sure, but the experience so far in Massachusetts suggests that Mr Obama may be closer to the mark.

现在下结论还言之尚早，但麻省的试验结果似乎表明奥巴马的估计更接近事实。

youdao

The national security challenge comes at a difficult time for Mr.Obama, who later this month will mark his first year in office.

VOA: standard.2010.01.06

From Barak Obama.com, a moral imperative by any measure, by any measure, mark that, Dr. Sowell, a better health care system is also essential to rebuilding our economy.

援引，Barak，Obama。com网站的话，道德上,不管怎样，不管怎样，索尔博士，听听他说的，一个更好的医疗体系,对于重建经济很重要。

斯坦福公开课 - 经济学课程节选

Long-time Murtha aide and Democrat Mark Critz won that seat Tuesday in a conservative district that voted for Republican John McCain over Democrat Barack Obama in the 2008 presidential election.

VOA: standard.2010.05.19

Obama: Mark: You know that the Republicans are using the closing of White House tours to hurt me politically.

FORBES: Move up http://i.forbesimg.com t Move down

The White House said Mr Obama would mark Bin Laden's death by meeting the families of some of those who died.

BBC: Osama Bin Laden death: World a 'safer place' - Obama

And we believe that the election of President Obama was a great mark in history, especially his speech in Cairo, which gave hope to find peaceful solutions to controversial issues.

WHITEHOUSE: President Obama Meets with Lebanese President Sleiman