Paul Lucas can often be seen walking around the city of San Francisco. Sometimes people are surprised to see him walking 小题1: any shoes or socks, 小题2: Lucas doesn’t mind at all. 小题3:likes to walk barefoot, and so do 640 other members of Dirty Sole Society, the club that Lucas 小题4: (start) years ago. Lucas’ idea for this is to encourage others to live 小题5: (free) --- free of shoes.
According to Lucas, the barefoot life has many advantages. 小题6:  most important is simply that it feels good. He also says 小题7: walking barefoot allows you to experience the world directly by touching it with your feet. 小题8: addition, the feet do not smell so much because they stay dry,   小题9: (make) it hard for bacteria to grow. And, of course, walking barefoot keeps your feet in good shape, so it’s actually   小题10: (healthy) than wearing shoes.