But even in the most favourable circumstances
1. But even in the most favourable circumstances
即使是在最有利的环境中，
2. only a small fraction of the creatures that die are preserved in this way before decay sets in or, even more likely, before scavengers eat them.
死去的生物中也只有一小部分能在开始腐烂前，或更可能在被食腐动物吃掉之前，被这样保存下来。
3. After all, all living creatures live by feeding on something else,
因为一切生物都是靠吃别的东西来活命的，
4. whether it be plant or animal, dead or alive,
不管这种东西是植物还是动物，死的还是活的，
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