generational是什么意思？

When you look at attitudes toward driverless cars, there doesn't seem to be a clear generational divide.

It does not seem to create a generational divide.

Attitudes toward new technologies often fall along generational lines.

They had titles like Young vs Old, Gray Dawn and The Coming Generational Storm, and their message was blunt: health-care systems were heading for the rocks, pensioners were taking young people to the cleaners, and soon there would be intergenerational warfare.