Water comes from wells that dip deep into the earth, and food is cultivated self-sufficiently in gardens within its walls.
城中饮用水源来自地底深处，食物更是完全实现自给自足。
Their names explain their purposes self-sufficiently.
它们的名称解释了它们的实际用途。
The first, to determine whether it was possible to live self-sufficiently, appears to have been largely achieved by his experiment on Lao Mountain.
第一步是要确定自给自足是否可行。通过他在崂山的实践，这一点似乎基本实现了。
The first, to determine whether it was possible to live self-sufficiently, appears to have been largely achieved by his experiment on Lao Mountain.
第一步是要确定自给自足是否可行。通过他在崂山的实践，这一点似乎基本实现了。
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