Chafee Aegis Destroyer,docked in South Korea as part of an annual joint military drill with the South's forces.

VOA: standard.2009.03.12

I'm sure you're familiar with the drill -you put a dollar into various asset classes, in this case, at the end of 1925 and hold those asset classes for, in this case, eighty-one years; the numbers go through the end of 2006.

相信大家很熟悉以下计算,如果你在1925年底,把一美元投资于各种资产,然后持续持有这种资产,比如,81年时间,直到2006年底

耶鲁公开课 - 金融市场课程节选

"It is very expensive to drill bore holes in Somalia. It is a very lengthy, cumbersome process, although that is ideally the way to go.

VOA: standard.2009.10.06

"There were other members that put ideas on the table and so we will drill down further in our opportunity to make sure that we come up with the best bill that brings the Democratic caucus and has the votes to be taken to the floor of the House."

VOA: standard.2009.09.09