老一代的人有时不愿意采用新技术，但无人驾驶汽车对这些年龄层的人尤其有实际价值。

Older generations are sometimes reluctant to adopt new technologies, but driverless cars promise real value to these age groups in particular.

youdao

乒乓球在我国各年龄层中都很受欢迎。

Ping-pong is popular with people of all ages in our country.

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我会把这种形式传播给不同地方以及各个年龄层的人，无论老少。

I'll spread the form to people from different places and people of every age whether young or old.

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