他选的这一行当是不可能赖以为生的。
尼罗河虽然在一年的大部分时间里平静而祥和,但是过去每年都会泛滥,从而生成、灌溉并把新的表层土搬运到附近的古埃及人赖以为生的农田。
Calm and peaceful for most of the year, the Nile used to flood annually, thereby creating, irrigating and carrying new topsoil to the nearby farmland on which ancient Egypt depended for livelihood.
大多数村民靠小块农地产出聊以为生。
It is at its worst after retirement ... when you are no longer-- you've exhausted your human capital and you're living off of all the accumulated physical capital.
退休后,到达顶峰,当你不再-,你用尽了你的人力资本,只能以之前积累下来的,有形资本为生。
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