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。
When your first computational device is a cell phone, then you start learning the most efficient ways to use a cell phone right away without having to transition from a laptop.
如果你的第一台计算设备是手机，你就会直接学习使用手机最有效的方式，不需要完成从电脑到手机的过渡。
When your first computational device is a cell phone, then you start learning the most efficient ways to use a cell phone right away without having to transition from a laptop.
如果你的第一台计算设备是手机，你就会直接学习使用手机最有效的方式，不需要完成从电脑到手机的过渡。
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