When the Earl of Sandwich devised the handy take-away comestible that bears his name, he had nutrition in mind. Structural engineers who have since adopted the form are more concerned with beam strength, the contribution made by the sandwich filling being the core of the matter.
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机译：当三明治伯爵（Earl of Sandwich）设计出以他的名字命名的方便外卖食品时，他就想到了营养。自从采用该形式以来，结构工程师更加关注梁的强度，而夹心填料的作用则是问题的核心。
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