The term “silver ceiling” was coined by Ken Dychtwald, the author of several books on the baby boom generation, including Age Wave (1989) and Age Power (1999).

“银色屋顶”的英文表达silver ceiling是由肯•迪特沃德首创的，他曾经写过一些关注婴儿潮一代的书，其中包括《年龄波动》(1989)和《年龄力量》(1999)。

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Once the U.S. comes through the age wave, it could land ahead of the rest of the world.

FORBES: The Un-Aging of America

In 2001, there were 18 million boomer grandparents, according to Age Wave Impact.

FORBES: Magazine Article

He calls it the Age Wave, which is also the name of his Emeryville, Calif. consultancy and a book he co-wrote back in 1989.

FORBES: Magazine Article