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Perhaps as important is the relation between the existence of solutions to a competitive equilibrium and the problems of normative or welfare economics.

Love takes up where knowledge leaves off.

譯文：像許汜那樣只知道買田置房(追求個人私利)，恐怕會羞于見到雄才大略的劉備。可惜時光流逝，我在風雨飄搖中擔驚受怕，連樹木都已長得粗壯高大!(注：“樹猶如此” ?化用典故，感慨時光虛度)能請誰喚來歌女，用紅巾翠袖擦拭我這英雄失意的淚水?

Literature is the memory of humanity.

我是一個幸存者，我不會放棄，我不會停止，我會更加努力。