????It's a very sobering feeling to be up in space and realise that one's safety factor was determined by the lowest bidder on a government contract.

????你在太空中會意識到為政府合同出價最低的公司決定了你的安全系數(shù)。你能明明白白地感受到這一點(diǎn)。

????─艾倫·謝潑德（Alan Shephard，美國首位進(jìn)入太空的航天員）