乔担心支出会加重未来几代的压力。
相似地,城市居民与自然的距离比前几代的更远了。
Likewise, town dwellers are more distanced from the natural world than earlier generations were.
But since life expectancy in the Ancient World was much less than ours, you didn't have usually several generations in these households, because older people just died.
但是古代人的寿命没我们长,一般不会出现几代同堂,因为年纪大了去世了。
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