People use a metal call box with a push-to-talk button to connect to a live operator, as Rose Shuman explains: "You just push a button, a big green button, and that will connect you directly to our operators who are sitting in front of computers, and speak your language.

VOA: special.2009.10.12

So, who are here to really learn and push themselves and think outside the box ,

所以，那些刻苦学习，能不断挑战自己，发挥创意的人，

正在写论文 - SpeakingMax英语口语达人

So, who are here to really learn and push themselves and think outside the box ,

所以，那些刻苦学习，能不断挑战自己，发挥创意的人，

正在写论文 - SpeakingMax英语口语达人