Did you know, some cars can run on used french-fry oil.
你知道吗,有些车可以用炸过薯条的油做燃料。
Writers once used bread crumbs instead of erasers to correct pencil mistakes.
作家曾经用面包屑当做橡皮擦来擦除铅笔笔迹。
Some robots can identify different cheese.
一些机器人可以识别不同的奶酪。
Hot dogs can last more than 20 years in landfills.
热狗在垃圾填埋场可以保存20多年。