I do, however, think that there comes an age when this is not appropriate: you can't go sticking thirty-something professionals on fold-ups.

我觉得，超过了一定年龄这么做就是不合适的了：你总不能要一个30多岁的人睡在折叠床上吧。

youdao

He stretched out on the fold-down bed in his carriage.

NEWYORKER: Boss Rail

Lakwena expressed these war-rules through Alice twice a day, at seven in the morning and seven at night, as she sat in a white robe on a fold-up chair in the middle of the camp.

ECONOMIST: Alice Lakwena

Routers break up broadcast domains, your technical editor should have caught this with a blind fold on.

FORBES: Why the Cloud Needs a Network Decongestant