Firstborn kids may have better thinking skills compared with their siblings, according to a recent study published in the Journal of Human Resources.

据最近发表在《人力资源杂志》上的研究表明，与弟弟妹妹们相比，头胎们思维技能更胜一筹。

youdao

Firstborn kids may have better thinking skills compared with their siblings, according to a recent study published in the Journal of Human Resources.

据最近发表在《人力资源杂志》上的研究表明，与弟弟妹妹们相比，头胎们思维技能更胜一筹。

youdao