And as to the question of which husband is the biological father of the children — the Pundir's don't know and don't care.
至于小孩从生物学上来讲到底是哪个丈夫的,她并不知道,也不在意。
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The study also calls into question the notion that having biological children - who presumably might be expected to take care of you in old age - is a ticket to well-being in your golden years.