Typing a password over and over again can be downright annoying — worse, it presents a significant obstacle to hands-off automation.

反复地输入同一个密码会让人感到讨厌，更糟糕的是，它极大地阻碍了自动化的实现。

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The most significant obstacle is the psychological distance and structural barriers between the IT operations and software-development teams.

最大的障碍在于IT运营者和软件开发团队的心理距离和结构屏障，他们长期不在一起工作，并且经常争执……

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And if we'd done our homework and market research we could have known that this would be, if not a show-stopper at least a significant obstacle.

如果当时我们做足功课，做些市场调查，我们就会知道兼容性即使不是致命的也将会是个大问题。

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Still, the corps' surrender would remove a significant obstacle to coalition control of the city.

CNN: Coalition makes key advances in northern Iraq

With McClendon out, a significant obstacle to the takeover of Chesapeake will have been removed.

FORBES: McClendon Out At Chesapeake - Is A Takeover Next?

Recent reports from the Asian Development Bank and the IMF argue that poor infrastructure is a significant obstacle to Indonesia's growth.

ECONOMIST: Should Indonesia move its capital city?