Some day you may be either a speaker or a listenerin a situation involving people from other countries or members of a minority group in North America.
将来有一天,你可能会在面对其他国家或北美少数族裔时演讲或听别人讲话。
2
Radio programmes can cost as little as three cents to reach a listenerin Africa.
在非洲广播节目只需花费三分钱就能获得一位听众。
3
Now we need to create a listenerin order to detect that a message is placed in the queue, which in turn will be consumed by the service.