Learning the business of music can be trial and error without the right guidance, and lead to you wasting a lot of time and money.

如果没有正确的引导，学习音乐行业的知识要经过无数次的尝试和失败，既浪费了时间又浪费了金钱。

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Much as parents wish otherwise, trial, error, and recovery mark the adolescent learning curve of growing up.

与父母所想的很不一样，其实磨难，错误，和复原才标志着青少年正在成长过程进行曲折的学习。

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In fact, in this relationship, the robot does all the work, learning by trial and error, taking all the risks and adapting to my moods and whims.

事实上，在两人的关系当中，机器人包下了所有的事情，他反复学习来迎合我的情绪和冲动。

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Mason, who has professionally never worked for anyone else but himself in a fulltime capacity, attributes much of his entrepreneurial success to learning by trial and error at ThePoint.

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In the process, the leaders in these councils, who hail from Syria's different religious and ethnic groups, are developing political skills, cultivating local constituencies and learning through trial and error the business of governing.

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The ultimate goal was always to exploit the opportunity to pour cash into successful innovations before the competition, but these companies recognized that trial-and-error learning usually uncovers opportunities faster than master plans.

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