什么是plant-based diet?
a plant-based diet is a diet consisting mostly or entirely of foods derived from plants, including vegetables, grains, nuts, seeds, legumes and fruits, and with few or no animal products. a plant based-diet is not necessarily vegetaria  
plant-based diet 是以植物和蔬果为主的饮食， 搭配很少的或者完全没有动物食品。
vegans eat no animal products, while vegetarians don't eat animals, but may eat products that come from them (such as dairy and eggs).  
vegan 不吃所有动物食品（肉， 鸡蛋， 牛奶，蜂蜜等）， vegetarian 不吃肉， 但会吃鸡蛋，牛奶，蜂蜜等