And they tremble. Standing on them is like trying to balance on a floating mattress.

VOA: standard.2010.03.29

And she reflects, just above that, on the mattress that he must sleep in, and this is one of those great Pynchon sentences.

接着在他睡觉的床垫上，她思考着这是Pynchon著名的句子之一。

耶鲁公开课 - 1945年后的美国小说课程节选