Allyn says U.S.troops so far are handling security only for their own operations including establishing facilities on shore near the town of Leogane, west of Port-au-Prince, where a Marine Expeditionary Unit began to arrive Tuesday morning.

VOA: standard.2010.01.19

I use Star Festival CD-ROM as part of a unit on Japan and places in the world.

我用“七夕节“光盘作为了解,日本和世界各地的媒介。

麻省理工公开课 - 媒体、教育、市场课程节选