Although the opening of the west made beef king, the colonial mania for bacon and eggs persists even after the settling of the west and the end of the frontier.
尽管美国西部的开发使得牛肉成为美国人的主要肉食，但是殖民时期人们对熏肉和鸡蛋的狂热在西进运动结束以后仍然得以保留。
2.pitfall 陷阱，隐患
Economy the poor man's mints; extravagance the rich man's pitfall. ——Martin Tupper
节约是穷人的造币厂，浪费是富人的陷阱。——马丁·塔波尔
