apple-pie order
有條不紊,井然有序,條理分明
Ap·ple pie A pie made of apples (usually sliced or stewed) with spice and sugar.
Apple-pie bed, a bed in which, as a joke, the sheets are so doubled (like the cover of an apple turnover) as to prevent any one from getting at his length between them. --Halliwell --Conybeare.
Apple-pie order, perfect order or arrangement. [Colloq.] --Halliwell.
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