chapter Ⅲ 菁菁校园留驻垂世绝响（2）

    这是激动人心的一步。但是这样的一步在消除旧的弊病的同时难免产生新的弊病——新的无知、新的问题、新的危险。毫无疑问，航天事业为我们展现的远景回报高，但成本高、困难也大。

    this is a breathtaking pace, and such a pace cannot help but create nenorance, neers. surely the opening vistas of space promise high costs and hardships, as h re that some er to rest, to  in 1630 of the founding of the plymouth bay colony, said that all great and honorable actions are accompanied reat difficulties, and both must be enterprised and overcome e.

    如果说这个人类进步的浓缩历史教育了我们什么，那么就是，在寻求知识和进步的过程中的人类是坚定而不能被阻止的。外层空间探索将会继续，不论我们是否加入它。无论在什么时候，它都是一项重大的冒险，任何一个期望成为世界领袖的国家都不希望在这场空间竞赛中停步。

    if this capsule history of our progress teaches us anything, it is that man, in his quest for knoe and progress, is determined and cannot be deterred. the exploration of space o ahead, reat adventures of all time, and no nation eneration does not intend to founder in the back age of space. overned by a hostile flag of conquest, but by a banner of freedom and peace. e and understanding.</p>

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