这种说法从一开始就将讨论引向两个极端,它使人们认为应这样对待动物:要么像对人类自身一样关切体谅,要么完全冷漠无情。
It leads the discussion to extremes at the outset: it invites you to think that animals should be treated either with the consideration humans extend to other humans, or with no consideration at a1l.
这种设定有助于改善后代的遗传品种,使优秀的基因能够在优胜劣汰的进程中得以保存。这非常冷酷无情,但很有效果。
This agenda improves the genetic variety of offspring, and the greater the variety, the better our genes' chances of surviving into the future. Cold, heartless, but effective.
但是MND无情的折磨着患者的同时,也使他们身边的人痛苦不堪,尤其打击人的是它是很难康复的。
But MND is relentless in its grinding down of both patients and those close to them, and it's a shock from which it is not easy to recover.
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