However, the way that it progresses may not be exactly how they envisaged in 2001.

不过，其进展的方式可能与他们在2001年所预期的并不完全符合。

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But they might never have envisaged a policy dilemma quite as acute as the one they now face.

但是这些制定者如今面临的政策困境时最紧急的。

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Expedition leader Ann Daniels said the ice drifted so much that they eventually covered 500 nautical miles (576 miles) rather than the 268 nautical miles initially envisaged.

考察队队长Ann Daniels说，冰的漂流范围非常广，最终达到了500海里(576英里)而不是最初设想的268海里。

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They envisaged a microbicide-containing lining for the vaginal tract that is a squishy solid rather than a liquid.

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Messrs Rumsfeld and Cheney have always remained loyal to a man whom they once envisaged as the ideal leader of post-Saddam Iraq.

ECONOMIST: The administration welcomes back Iraq's Adenauer

In terms of scope, all three missions now carry significant differences from how they were originally envisaged.

BBC: Time to choose a billion-euro space mission