危机论是指青少年期心理发展理论。认为青少年期在人的发展中是一个充满危机的时期。该理论主要依据西方社会中青少年容易出现的反抗成人、对抗社会、蔑视法律、抵触道德、易走极端等现象，认为个体发展到青少年期，必然要经历内心体验和外在行为的危机，产生种种反社会行为，与成人和周围的社会环境发生矛盾和冲突。
布朗的“粮食危机论”决非一无是处，至少对盲目乐观派敲响了警钟。
Brown's Theory of grain crisis is not devoid of merit. It sounds the alarm to those who are unrealistically optimistic in a way.
“危机论”的出现反映了我们对文学理论繁荣的期待和憧憬，文学理论的危机表现在理论和实践的各个层面。
The crisis debate reveals our expectations for the prosperity of literary theories. The crisis of literary theories is reflected at both levels of theory and practice.
在袭卷全球的国际金融危机中“报纸消亡论”又重新抬头，传统媒体界弥散着一种“末日悲情”。
The specter of the "disappearance of newspapers" has arisen again amid the international financial crisis worldwide, and traditional media is already in mourning for its own impending demise.
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