Sometimes company bosses are called the brass. They also are sometimes called top brass, or brass hats. Experts disagree about how these strange expressions started. But, they may have come from Britain. Leaders of the nineteenth century British army wore pieces of metal called oak leaves on their hats. _______________________有时,公司的老板被称为黄铜(brass).他们有时又被称为是最顶级的黄铜(top brass,或黄铜帽子(brass hats),它们都是高管的意思. 语言学专家对于这些词的起源各执一词.但是,这些词可能来源于英国.19世纪,英国军队将领的帽子上通常都有一种叫橡树叶的金属片装饰.____________________