Yes, we are talking about the humble potato and how healthy it is. Jiajia talks about his memories of roasting potatoes in the coals of the kitchen fire and Chris drools over potato salad. 

是的，我们在谈论平凡的土豆以及它有多么健康。佳佳回忆起在厨房炉火的余烬中烤土豆的情景，而克里斯则对土豆沙拉垂涎欲滴。