My family can survive on the produce from our hobby farm.
业余时间我们一家人在小农场的劳动成果足够一家人维持生计了。
I'm afraid the pollution will kill us all.
公害可能把我们都逼死。
But even in the most favourable circumstances 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.