We write or draw with pencils. But do you think of giving pencils to your friends， family members or teachers as birthday presents? 53-year-old American man Ashrita Furman thinks that's a good idea.(我们用铅笔写字或绘画，不过大家想过用铅笔作为生日礼物送给自己的朋友、家人或老师吗？)