Each click "lower brightness," Grayhound lower 16. 每点击一次“降低亮度”，图像灰度降低16。
"That's what I called about.There's a Grayhound bus leaving for Washington at three this afternoon, and if you send me the money I left you for food I'll be on it. “这正是我要打电话给你的原因，有一班去华盛顿的大巴今天下午三点钟开，如果你把我留给你家用的钱寄过来，我就可以坐上这班车了。”
The Cultural Difference Implied in "Grayhound" 隐喻"灰狗运业"的文化差异
-Grayhound upgrade Note : This procedure, each click "increasing brightness," Grayhound upgrade 16; 图像灰度提升 注意：本程序中，每点击一次“增加亮度”，图像灰度提升16；
this program, each click "increasing brightness," Grayhound upgrade 16; Each click "lower brightness," lower 16 Grayhound 本程序中，每点击一次“增加亮度”，图像灰度提升16；每点击一次“降低亮度”，图像灰度降低16
