"necessity is the mother of invention" in Chinese (Simplified)
Definition
这个表达意思是，当人们真正需要某样东西时，他们会想出创造性的方法来获得它或解决问题。
Usage Notes (Chinese (Simplified))
这是一个常用的谚语，适用于正式和非正式场合，经常用来说明人在遇到困难或迫切需要时会变得很有创造力。和中文的“有需求就有创新”类似。
Examples
When people have no other choice, they remember that necessity is the mother of invention.
当人们别无选择时，他们会记得**需求催生发明**。
He built a tool from old wood because necessity is the mother of invention.
他用废木头做了个工具，因为**需求催生发明**。
In tough times, necessity is the mother of invention.
在困难时期，**需求催生发明**。
I never thought I'd be able to cook without electricity, but necessity is the mother of invention!
我从没想过没有电还能做饭，但**需求催生发明**！
We came up with the idea for this project during the lockdown—necessity is the mother of invention.
隔离期间我们才想出这个项目的点子——**需求催生发明**。
Don’t underestimate what you can do when you’re desperate—necessity is the mother of invention.
当你走投无路时, 千万不要低估自己能做什么—**需求催生发明**。