某些情況下管用。比如把一隻羊栓在老虎籠子附近，羊肯定會焦慮，然後想辦法把繩子啃斷逃走。

來源: Shubin 於 2024-05-25 13:49:14 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.