Some disappointed visitor may complain, once in while, that this is not the most satisfying way to see a place so full of history and sadness.

偶尔也有失望的游客抱怨说，用这样的方式来参观一个充满历史感和沧桑感的胜地不是最理想。

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She may work with cowboys, but she says that does not mean she cannot make something more feminine once in a while.

VOA: special.2011.01.31

Every once in a while we'll bring up an issue of well, how has this been interpreted over the centuries?

偶尔我们会提到，几个世纪以来是如何解读的？

耶鲁公开课 - 新约课程节选

If you get, you know, a handshake or you know. Every once in a while we get people to do that.

但如果能得到观众的一次握手，我们得到的就是观众。

观众是我的动力 - SpeakingMax英语口语达人

They're very pesky, and obviously the big guy had one of those unbelievable nights that happens once in a while in a World Series.

CNN: October 25, 2012 -- Updated 1019 GMT (1819 HKT)

You take the point: the beauty category is, for all its beauty, somewhat dull, presenting the same sorts of images with the current face plugged in, once in a while throwing in a white-coated lab tech to convince us this is all high science.

FORBES: Wasted Beauty

There will be people in Jersey who insist on calling it New Jersey's Super Bowl, but most people will call it the New York Super Bowl and every once in a while a politician in Jersey will throw a fit and it will be mostly for laughs, because nobody cares that much about this distinction ask the New York Jets and the New York Giants.

WSJ: Jason Gay: Just One Year Until Superbowlmageddon