| 摘要 |
An expandable file box includes a pair of front and rear assemblies coupled together by a gusset assembly for movement toward and away from each other. Each of the front and rear assemblies includes a main panel. The main panels of the front and rear assemblies are disposed in an opposed relationship such that the gusset assembly extends between the front and rear main panels and thereby an expandable cavity for receiving an item is defined by the front and rear main panels as well as by the gusset assembly. The one of the front and rear assemblies further includes a pair of opposed side panels disposed outside the expandable cavity such that at least part of the gusset assembly is hidden from view by the side panels.
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