First Lady Michelle Obama is the great-great-granddaughter of African slaves "I think as Americans and African-Americans, obviously,there is a special sense that on the one hand this place was a place of profound sadness.

VOA: standard.2009.07.11

But I think at this point, it's probably a good place to stop.

但是我想到了这个，可能应该停一停了。

麻省理工公开课 - 固态化学导论课程节选

"I think it's awesome that a place like this exists, that the children and everybody in America and throughout the world can come and see where democracy began and where it developed over the course of history and the course of time."

VOA: standard.2010.07.03