It felt as if we had reversed our roles of parent and child.

感觉就像我们父母和孩子交换了角色。

《牛津词典》

A mere generation ago, parent-child relations were described as "the generation gap".

仅仅在一代人之前，人们还用“代沟”一词来描述亲子关系。

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As between child and parent or nurse it is not argued about because it is inevitable.

在孩子与父母或者保姆之间，这都是无可争辩的，因为这类的情况是不可避免的。

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Oxytocin in particular is crucial in bonding partner to partner (levels correlate with the success of a relationship), as well as parent to child, even pet-owner to pet.

WSJ: Looking Beyond Oxytocin, the Love Drug | Marvels

Questions of potty protocol that do not phase you as a parent of a small child can strike deep into your heart as a child of a helpless parent.

FORBES: Tammy's Economy

"It's more thought of as child care for when the parent needs it as opposed to the child's development and really helping prepare for early literacy skills that are going to be the foundation for school, " said Chang, director of Attendance Works, a Maryland-based initiative that mentors districts in fighting absenteeism.

WSJ: Districts find youngest students among most absent