夏说英语新闻晨读 第574期:汉堡王也开始吃素啦（在线收听）

 本期内容：

Burger King has a plan to bring in new customers and encourage existing ones to buy more often: Vegetarian Whoppers. The burger chain announced on Monday that it is testing out Impossible Whoppers, made with plant-based patties from Impossible Foods, in 59 locations in and around St. Louis. If all goes well, Burger King will roll out the Impossible Whopper nationally. With the Impossible Whopper, Burger King hopes to "give somebody who wants to eat a burger every day, but doesn't necessarily want to eat beef everyday, permission to come into the restaurants more frequently.

vegetarian: n. 素食主义者
whopper: n. 庞然大物；特大的东西
chain: n. 连锁店
patty : n. 肉饼
roll out: 推出