根据这个研究小组公布在《生态学》杂志上的研究结果，在没有土地的贫困家庭出生的儿童往往都经受了婚姻前景黯淡、生育率低下、新生儿死亡率高等痛苦。
Children born into landless, and hence poor, families suffered reduced marital prospects, lower probability of reproduction, and higher infant mortality.
这位社会学教授表示，在第一个孩子出生后，婚姻满意度将会下降，并随着时间的推移不断下降。
The sociology professor said marital satisfaction decreases after the birth of the first child and continually decreases over time.
科学家们正在从生物学角度研究跟陌生人调情之后的心理反应对婚姻稳定的影响。
Scientists are studying everything from the biological factors that seem to influence marital stability to a person's psychological response after flirting with a stranger.
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