Younger Scout： How can I tell the difference between a mushroom and a toadstool？

Older Scout： Just eat one before you go to bed. If you wake up the next morning， it was a mushroom.

蘑菇与毒蕈

年少的童子军：我怎样才能把蘑菇和毒蕈区别开呢？

年长的童子军：上床前吃一个。如果你第二天早上醒来，那就是蘑菇。