돌아보기
When you look back you are remembering the past. The past is where we keep our memories, our mistakes and our successes.

가상 현실
Virtual reality, VR, is a powerful, new technology. VR software programs are being used in many video games. But others have been developed for education, to train doctors and in military training.

온라인 경제
Nearly one in four Americans made money over the last 12 months by using their personal computers or other devices connected to the Internet.

로비스트
“Lobbying” is an attempt to influence a legislator’s vote on a bill. Lobbying has been a legal activity since the earliest days of the United States.

위험한 셀프카메라
"Selfie," taking a picture of yourself to post on social media, became an official word in the Oxford dictionary in 2013.

스케이트보딩
The "Milk Squad" is a group of nine young men in the eastern American city of Baltimore, Maryland. For them, skateboarding is more than a sport. It is a way of life.

거미줄과 기타 줄
Spider webs have something in common with guitar strings. The long, thin strings on a guitar can vibrate. They move back and forth, or from side to side.

군대 용어
A Veteran’s Day kind of veteran is a current or former member of the armed services. However, “veteran” also describes civilians.

인공 팔
Accidents in which people lose an arm or leg often take place in communities with large numbers of poor people.

단추
Today, we talk about a common object that appears in many expressions -- buttons! When we pronounce this word, we often swallow the “t’s” and pronounce, “buttons.”