What's the difference between having younger friends and older friends?

5.有年轻的朋友和年长的朋友有什么区别？

" Child labor" refers to having young children working in places such as factories.

“童工”是指让年幼的孩子在工厂等场所工作。

Then there was the flock, the crowd of the girls going off in the evening, nine out of every ten having young men waiting for them at the door.

然后是羊群，女孩们在晚上离开的人群，十分之九的年轻人在门口等着她们。