There was a time when red meat was a luxury for ordinary Americans, or was at least something special: cooking a roast for Sunday dinner, ordering a steak at a restaurant.

• 有一个时期，吃红肉（指猪、牛、羊肉）对普通美国人来说还很奢侈，或者说至少是很特别的：为周日晚餐准备烤肉；