反对者认为，人为干预生命的组成要素是错误的，他们还警告，攻克不孕不育的技术会扭曲和破坏家庭成员之间的正常关系。
Opponents argue that it is wrong to meddle with the building blocks of life and warn that the advances taking place to tackle infertility risk distorting and damaging relations between family members.
作为痴呆患者的配偶或是子女，许多传统的照料者将这一身份视为他们生命历程的自然组成部分。
Many traditional caregivers viewed their role as a natural part of their life course, either as the spouse or the child of someone with dementia.
那么推销者为什么没认识到养育子女是女性生命组成和支撑的一部分呢？
So why don't marketers recognize that parenting is part of females' makeup and leverage that part of them?
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