Developing the solution with this in mind involved some trial and error for us.
用这个去开发解决方案会让我们遇到一些麻烦和错误。
Other times they begin to act without thinking; they try to find a solution by trial and error.
另外的时候，他们会不想而采取行动，他们会通过尝试和犯错误找到一个解决方法。
Other times they begin to act without thinking; they try to find a solution by trial and error.
另外的时候，他们会不想而采取行动，他们会通过尝试和犯错误找到一个解决方法。
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