国家睡眠基金会2005年的调查报告显示，近四分之一的美国夫妇或分室或分床而睡。
Nearly one in four American couples sleep in separate bedrooms or beds, the National sleep Foundation reported in a 2005 survey.
我曾经猜测分室而睡可能与南方绅士风度有关，或者与爷爷晚间听收音机的习惯有关，再或者与他们婚姻中不易察觉的裂痕有关。
I speculated that this bifurcated sleeping arrangement had something to do with Southern gentility, Papa’s late-night ham radio habit, or some unseen rift in their marriage.
一个原因是树木的分室的导管系统（Compartmentalized vascular system)，因此可以允许树木一部分死亡，而同时另一部分仍然在旺盛的生长。
One secret to their longevity is their compartmentalized vascular system, which allows parts of the tree to die while other portions thrive.
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