Mutations in the virus mean that last year's vaccine probably won't protect against this year's flu variety.

VOA: standard.2010.07.21

What would he say?" And I said, "That last thing is what you can't get, Carlo. Nobody can get to that last thing.

看他怎么说“，我说“你想知道的最后这件事没法知道，卡洛，没人能知道的。

耶鲁公开课 - 1945年后的美国小说课程节选

I don't know. I would say my busiest days were probably last year

我也记不清楚了。我想我在耶鲁大学最繁忙的日子在去年。

耶鲁的忙碌生活 - SpeakingMax英语口语达人

Mr. TAYLOR: (Singing) There were times that I thought that I wouldn't last too long.

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That pause didn't last long, with demand underpinned by strong economic growth, says Zhou.

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In fact, Mr. Bush warned this whole business of taking an extra question wouldn't last.

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