The bears often end up eating the food packaging when trying to get to the food inside.

当北极熊试图吃里面的食物时，最终往往会吃掉食物包装。

And if you get food delivered, Dr. Sanjay Gupta says leave the food packaging on your front porch.

桑贾伊·古普塔医生表示，如果你点了外卖，把包装留在门前的走廊上即可。

And a 3rd contain materials used for packaging food and other products.

第三种是用于包装食品和其他产品的材料。