卡爾,你手里的是什么東西?It's an e-book. It's used for reading.這是一本電子書,用來閱讀的。Is it expensive?這個貴嗎?A little, I think. It costs 150 dollars.我覺得有點,要150美元。Did you buy it yourself?你自己買的嗎?No. My father bought it for me.不,我父親給我買的。He hopes I can use it to do a lot of reading.他希望我能用這個多讀點書。Nice. Reading is good for us.好的,閱讀對我們有好處。