Examlex
If one person wants a kidney more than the money and the other wants the money more than the kidney, they can be better off by trade.
Mother's Voice
The sound produced by a mother speaking or singing, which is often recognized and reacted to by infants.
Father's Voice
The specific auditory pattern recognized by children as belonging to their father, often associated with emotional bonding and security.
Embryonic Development
The process through which an embryo forms and develops, from fertilization to birth in animals, or to the seedling stage in plants.
Wide Smile
An expression involving a broad extension of the mouth, often showing teeth, indicative of happiness or friendliness.
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