然而一旦掌握了相机的基本用法，人们应该把精力集中在发现和构成生动的图像上。
However, once the basic operation of the camera is mastered, one needs to direct their attention to seeing and composing effective images.
数码相机是一个难以置信有用的工具：我每天总能找到一个新的用法。
It's an unbelievably useful tool: I feel like I find a new use for mine every day.
用相机或者笔记下那些错误，带回家，然后把正确的用法回复给店主。
He photographs or writes down the mistakes, takes them home, and then takes the corrections back to them.
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