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If history were taught in the form of stories, it would never be forgotten.

Sustainability in agriculture isn't an option—it's a necessity for future generations.

縱欲之心正熾烈時(shí)，一想到將會(huì)臥病痛苦，興致如寒冰；逐利之心正濃烈時(shí)，一想到將會(huì)命喪黃泉，味道如同嚼蠟。

經(jīng)濟(jì)學(xué)的研究最終是對(duì)人類(lèi)行為及其后果的研究。