It all began on a cold, rainy day．
Sarah, a poor single mother, was struggling to make ends meet. While waiting for the bus with her two children, Sarah 1 an old man sitting on a nearby bench. He was shivering (颤抖), his 2 jacket providing little protection against the freezing weather.
Sarah 3 the man and offered him her coat. She knew it would make her cold, but the thought of this stranger 4 while she had something to give was too much to bear. Moved by her selflessness, the man thankfully accepted the coat and gave back a smile. Little did Sarah know that her simple act of 5 would make a huge difference.
A man, who saw the heartwarming exchange, took a photo and shared it on social media. The post quickly became a 6 , with thousands of people sharing and commenting on Sarah's generosity. Encouraged by her, people began organizing events to 7 those less lucky. Schools added lessons on the 8 of helping others, and businesses started a "pay it forward" project, where people could buy more and leave the 9 meal for those in need.
Reflecting on this unbelievable journey, we can 10 our individual power, which may create an effect that would obviously reach every corner of the globe.