图片如下：

..."Beginners (I did this too!) like to start at one corner and finish as they march across the image. Don't think of things as objects that need to be separated logically. "
..."This is another mistake beginning painters make- edges and boundaries where the eye would see none. "
..."Most beginners think "there's the hair, and there is the background, there has to be a separation there somewhere." This is where painting from life would help. I did this image from my head, but I could not have without a lot of life drawing and painting."
常规思维是那么的根深蒂固．．．．一不小心又回到原点．．．那个人就是了．．CAD