It began with work by leonid hurwicz of the university of minnesota in 1960 1960年明尼苏达州大学的里奥尼德?赫维克兹开始这项工作。
2.
They ( it ) began with work by leonid hurwicz of the university of minnesota in 1960 这项工作由明尼苏达大学的里奥尼德?赫维克兹于1960年展开的。
3.
Essentially true story of how spartan king leonidis led an extremely small army of greek soldiers ( 300 of them his personal body guards from sparta ) to hold off an invading persian army more than 20 times as large 讲述了斯巴达王里奥尼迪斯如何率领数量极少的希腊士兵（ 300名他的侍卫）阻止20余倍的波斯敌军入侵的真实故事。
