The reason is obvious: the graying of America means jobs.
原因是显而易见的：美国的人口老龄化意味着更多工作机会。
每个人的头发都是灰色的。
She had black hair, graying at the temples.
她一头黑发，鬓角处开始变灰白了。
Of course it is. Everyone's hair is graying.
当然，每个人的头发都会变灰。
What’s worse (to my critics) is that my hair is graying.
一些批评者认为更糟糕的是我的头发是灰色的。
What's worse (to my critics) is that my hair is graying.
一些批评者认为更糟糕的是我的头发是灰色的。
Well past 40, this woman had graying hair done under a worn hat.
这个女人刚好超过四十岁，带在破旧的帽子，帽子下是灰色的头发。
It is a good remedy for hair loss and prevents hair from graying.
这是一个很好的补救办法，并防止头发脱落的头发花白。
Another interview turned me down because, he said, my hair was graying.
在另一次面试时，面试者拒绝录用我，因为他说我的头发白了。
The "graying" of the U. S. will greatly affect the nation's family and workforce.
美国“灰色”特征将给整个国家的家庭和劳动力结构带来巨大变化。
The graying arithmetic is improved in order to pick up interest point and target easily .
对灰度化算法进行了改进，目的是较容易的提取兴趣点和目标。
The graying arithmetic is improved in order to pick up interest point and target easily .
对灰度化算法进行了改进，目的是较容易的提取兴趣点和目标。
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