据国外一本SimTalk语言介绍书籍中的解释: - U; f% M1 L3 z: T8 B1 j1 KUse the method "cont" to call the contents of the material flow objects and the container. + n8 m s, G, B ; z I- p9 `8 c& \& Fcont方法准确指对象object的内容"content",也可以理解为容器"container"。"context"有上下文,语境的意思,在这里,cont不应该是context的意思