At the festive ceremony, the president acknowledged that this legislation will mark a fundamental change in U.S.domestic policy.

VOA: standard.2010.03.23

They were pretty slow off the mark to do something about this, and it was after lawsuits were filed that they actually made the change.

他们先慢腾腾的应付着,直到诉讼结束时才真正做出改变

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

The costly D-Day battle would mark a turning point in the war, and would change the lives of survivors like Earl Norwood.

VOA: standard.2009.06.02

If the Nairobi summit is successful, the Copenhagen talks will mark the first time Africa will be entering the global climate change negotiations under a common position.

VOA: standard.2009.10.13