Chinese people consume 90% of the world’s crayfish every year. But the species they eat is not actually native to China. Just a few decades ago, it wasn’t even considered food. So how did crayfish end up becoming such a beloved dish?

中国人每年消耗全球90%的小龙虾。但这一物种并非原生于中国,而且在几十年前还被视为无用之物。小龙虾究竟是如何成为如此受欢迎的美食的?