指人或事物如果处在困境之中就会想办法改变one thinks of ways out of a difficult situation; one thinks of changing things when one is in extreme poverty

• 人穷则思变，有的人想的是如何致富，而有的人想的则是如何减负。

  When in a difficult situation, people think of ways to get out of it. Some people think of how to get rich while some think of how to reduce their burden.

• 穷则思变，他主动跟县科委、农业局联系，请求给予技术上的培训和支持。

  When in a difficult situation, one thinks of ways to get out of it. He proactively contacted the science committee and the bureau of agriculture to ask for technical training and support.