让我们解释这个笼统的观点通过一起读诗,尝试去听罗伯特·弗罗斯特的诗“桦树“,在211页，诺顿。
Let's illustrate these general points by just reading together and trying to hear the beginning of Robert Frost's poem "Birches," on page 211 in The Norton.
他的观念是，我们不用分阶段地工作(而通常航天器设计是分阶段的)，但让我们把所有零件装到一起然后进行尝试。
His philosophy was, let's not work by stages [as is usual in spacecraft design], but let's assemble everything and then try it.
下面就让我们一起，尝试去破解乐观者和悲观者的成功密码。
Let's together, try to crack and pessimistic optimist successful password.
下面就让我们一起，尝试去破解乐观者和悲观者的成功密码。
Let's together, try to crack and pessimistic optimist successful password.
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