These chemical factors aside, the main reason for the stale taste could be the most obvious: temperature.

除掉这些化学因素，味道变质最为明显的主要原因是温度。

It's like a gritty taste in my mouth Donal: Chocolate just has that stale taste to it. Just no. No, no, no.

艾恩： 这就像我嘴里的沙砾味 唐纳德：巧克力就是那种陈旧的味道。 只是没有。 不 不 不。