Nothing you or I could do would make more than one grain of sand pass through this narrow neck without impairing the hourglass.
在不损坏沙漏的情况下，不管我们怎么做，都不能让两粒沙子同时通过狭窄的瓶颈。
Nothing you or I could do would make more than one grain of sand pass through this narrow neck without impairing the hourglass.
在不损坏沙漏的情况下，不管我们怎么做，都不能让两粒沙子同时通过狭窄的瓶颈。
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