引进竞争。
传统企业和新兴创业公司的差距在哪里？
Although Boeing got $4.2 billion to develop an astronaut capsule and SpaceX only got $2.6 billion, SpaceX finished 4 years sooner.
Note, the crew capsule design of Dragon 2 has almost nothing in common with Dragon 1.
Too many non-technical managers at Boeing.
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