| 摘要 |
A container comprising a plurality of walls that define an internal volume, the walls comprising a first side wall laterally opposed from a second side wall, a base wall laterally extending between the first and second side walls and a third wall laterally extending between the first and second side walls and vertically extending from the base wall, wherein the third wall comprises an upper portion connected to the first and second side walls and a lower portion being outwardly movable from the base wall and the first and second side walls to increase the internal volume.
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