They are both the only child in their family. Their parents aren’t against their being together, but both wish their kid being at home.

作为家里的独生子女，双方父母不反对他们在一起，但都希望儿女能回到自己的身边。

youdao

Because of the one-child policy, most families in China have only one child, which makes parents and grandparents pay their all attention to the only one kid.

由于独生子女政策实施，现在中国的大多数家庭都只有一个孩子，这就使得父母甚至祖父母都把所有的精力集中到这唯一的孩子身上。

youdao

Simba not only brought her 4-years-old daughter to be in close touch with the nature, the ecosystem and wild animals, but also write the travelogue together with the kid from an angle of a child.

这是我们这个时代十分缺乏的。星巴不仅带着自己4岁的孩子去体验大自然，让她有机会了解生态系统和野生动物，并且和孩子一起，以孩子的口吻写出这本游记。

youdao

When your child is the only kid in her class without an implant and she has the lowest test scores to prove it, will you agree to put her under the knife?

WSJ: Bionic Brains and Beyond