Carl, what's this in your hand?

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。