Able : How long have you been playing the piano, Nancy? Nancy: For about ten years. Able : Wow! That's a long time. Can you teach me how to play? Nancy: No problem. 弹钢琴 亚伯：南希，你弹钢琴弹多久了? 南希：大约十年了。 亚伯：哇!那真是很久了。你可以教我弹钢琴吗? 南希：没问题。