卡尔,你手里的是什么东西?It's an e-book. It's used for reading.这是一本电子书,用来阅读的。Is it expensive?这个贵吗?A little, I think. It costs 150 dollars.我觉得有点,要150美元。Did you buy it yourself?你自己买的吗?No. My father bought it for me.不,我父亲给我买的。He hopes I can use it to do a lot of reading.他希望我能用这个多读点书。Nice. Reading is good for us.好的,阅读对我们有好处。