It "s true that we have been leading a difficult life, for we need not only to be under various external pressures, but also to be in the face of internal perplexities."

我们确实活得艰难，一要承受种种外部的压力，更要面对自己内心的困惑。

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U. S. space shuttle Atlantis last space mission ended, the U. S. aerospace industry can not say that this halt, but to then reach its former glory, is very difficult.

美国亚特兰蒂斯号航天飞机最后一次航天飞行任务的结束，不能说美国的航天事业就此止步不前，但要想再达到昔日的辉煌，已是相当困难。

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U. S. space shuttle Atlantis last space mission ended, the U. S. aerospace industry can not say that this halt, but to then reach its former glory, is very difficult.

美国亚特兰蒂斯号航天飞机最后一次航天飞行任务的结束，不能说美国的航天事业就此止步不前，但要想再达到昔日的辉煌，已是相当困难。

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