One year later, they began to sing happy songs in the cage. It seemed that they'd grown used to this artificial surrounding.
一年以后,它们对这个人工环境已经习惯,它们在笼子里歌唱着,显得很高兴。
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A 13 year veteran of IBM, Dan Gisolfi holds a Masters Degree in Artificial Intelligence from Polytechnic University, and a BA in Computer Science from Manhanttanville College.