There was a person driving ahead slowly in the busy traffic jam, stopping at the red light,suddenly a boy who was wearing shabbily knocked at the car window,and asked if he wanted to buy flower.

• 有一个人在拥挤的车流中开着车缓缓前进，在等红灯的时候，一个衣衫褴褛的小男孩敲着车窗问他要不要买花。