translation.en: So all you do is -- it's a very kind of provocative statement -- this old bicycle tube and this old plastic [unclear] This filling cap will go very snugly into an old bicycle tube.
translation.zh: 所以这就是我们能做的—— 这听起来很挑衅—— 老化的自行车内胎和老化的塑料管 这个注水盖刚好可以插进这个自行车老内胎里