The refresh icon and grayed value can appear for the following reasons 可能会因下列原因而出现刷新图标和变灰的值：
2.
Grayed menu item 变灰的功能表项目
3.
Grey sprouting beard . that s the first sign when the hairs come out grey and temper getting cross 长出灰胡子茬儿了，那是头发变灰的兆头。
4.
The possibility of with the scalp ' s genes to prevent the onset of graying gained momentum four years ago when scientists made an mouse turn black in one patch 四年前，科学家已经可以使患白化病的老鼠的一小块皮毛变黑，这为研究修补头皮基因来防止头发变灰的可能性提供了动力。
