VOA慢速英语:IBM Takes A Big Step Forward in Artificial Intelligence Research

短语讲解：

1. It can also be used for controlling new kinds of wheelchairs or for recording conversations involving several people and then making a printed record of those conversations.

be used for 用来做…
例句：Any time left over would be used for output. 
剩余的时间留做输出之用。 

2. Researchers are trying to develop ways for humans and computers to work together more closely.

work together 同…在同一处工作; 同事
例句：They live and work together in complete equality and brotherhood. 
他们完全平等和兄弟般地在一起生活和工作。 

3. Mr. Mugan believes that smarter computers are good for humans.

be good for 值得，有效; 利于
例句：Do it up. It'll be good for you. 
把它喝完，它对你有益。