There are reductions for children sharing a room with two adults.

孩子和两个大人合住一间房可以打折。

《牛津词典》

There's easily enough room for two adults and three children, plus a dog in the boot.

有足够的空间容纳2个大人和3个小孩。另外，行李箱里还能容纳1只狗。

《柯林斯英汉双解大词典》

How much does it cost for two adults and a kid?

两个大人和一个小孩要花费多少钱？

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Most states, however, simply accept the postnup as a private contract between two adults.

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