moral：a practical lesson about what to do or how to behave，which you learn from a story or from something that happens to you.
例句：The moral of the Boy who Cried Wolf is that Children should not lie.
仿写：The moral of the Donguo and Wolf is that You can't trust others easily.
moral=lesson=message
The moral of this story/case/experience is that...
翻译：The moral of that TED Talk is that the way to achieve success is helping others firstly.
to successed we should learn to pay it forward.
造句：The moral of that movie is that Money can't buy us happiness.
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