六级Those who use self-defeating humor,making fun of themselves, of the enjoyment of others, tend to maintain that hostility toward themselves even when alone.

那些使用自我挫败的幽默、取笑自己、享受他人的人，即使独自一人，也倾向于保持对自己的敌意。

2013年12月听力原文

六级In this situation, only government can protect the economy as a whole, because most individuals and companies are involved in the self-defeating behavior of self-protection.

在这种情况下，只有政府才能保护整个经济，因为大多数个人和公司都参与了自我保护的自我挫败行为。

2013年6月阅读原文