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围绕试管婴儿的伦理问题很复杂,但拥有孩子的愿望是一项基本人权。
The past is a foreign country; they do things differently there.
The best books are those that open your eyes.
利润和可持续性并不是敌人,而是长期成功的合作伙伴。
Internal mental events are irrelevant to the scientific study of behavior.
天天向前走,即便千万里路,也不嫌远;常常动手做,纵有千万件事,也不畏难。