There was social intercourse between the old and the young.

老年人和年轻人之间有社会交往。

《柯林斯英汉双解大词典》

The volunteers have offered a lot of help to the old and the young since 2010.

自2010年以来，志愿者们为老年人和年轻人提供了很多帮助。

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This is a question much controverted between the old and the young.

这是一个在老年人与年轻人之间争论不休的问题。

youdao

Jacobs says both the old and the young are switching to diamonds this year.

VOA: standard.2009.10.17

Shafir is a young psychologist at Princeton who teamed up with the old psychologist Tversky and wrote this paper.

年轻的心理学家沙菲尔任职于普林斯顿大学,他与年迈的心理学家特维斯基共同完成了论文

耶鲁公开课 - 金融市场课程节选

And although you enjoy it, sometimes you also enjoy reminiscing about the old days when you were young.

你非常享受这种生活，但有时，你也会回忆起你们年轻时的岁月。

Do you ever课堂 - SpeakingMax英语口语达人

"It will bring the young together with the old and the young people with their new visions and their new perspectives, their new ideas, " she said.

BBC: Vanessa Redgrave

One possible counter-argument is that this correlation may simply show that different economies are at different stages of the cycle: when an economy is growing strongly, employment rates for both the old and the young are likely to be high.

ECONOMIST: Why the old should not make way for the young

They left millions of orphans in Africa, because the old people and the young couldn't survive that voyage, okay?

NPR: Embracing Freedom: Juneteenth Celebrations