Younger Scout: How can I tell the difference between a mushroom and a toadstool(毒菌) ?Older Scout: Just eat one before you go to bed. If you wake up the next morning, it was a mushroom.

年少的童子軍:我怎樣才能把蘑菇和毒蕈區(qū)別開(kāi)呢?年長(zhǎng)的童子軍:上床前吃一個(gè)。如果你第二天早上醒來(lái),那就是蘑菇。