I had the blues because I had no shoes until upon the street, I met a man who had no feet.解释内涵

题目

I had the blues because I had no shoes until upon the street, I met a man who had no feet.解释内涵
我很伤心因为我没有鞋穿直到在大街上遇见一个没有脚的人.
意思是你觉得自己很惨,但这世上还有比你更惨的.
知足常乐. 追问举个详细一点例子行吗,再加分
回答你要的例子是什么?英文的还是中文的?是要意思和这句相近的说法还是什么

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