The price of vegetables often yo-yos in different seasons.

蔬菜的价格在不同的季节上下浮动。

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These fancy yo-yos had special abilities to stay down longer than the usual yo-yo which made performing certain tricks with them far easier.

这些神奇的溜溜球其特别之处在于，它比一般的溜溜球在下端停留的时间更长，这就使得用它来玩出一些花样就容易得多了。

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In 1923, Pedro Flores, a man of Filipino descent, began building yo-yos in America.

1923年，佩德罗弗洛雷斯，一个菲律宾裔人，开始建设溜溜在美国达索。

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The rouble's exchange rate yo-yos, falling by a third one day, rising by a quarter the next.

ECONOMIST: Russia shipwrecked

In Brazil, until it relaxed the rules last year, some governors moved in and out of office like yo-yos.

ECONOMIST: Two terms and you��re out

Once the economy gets back to something resembling normalcy and stock markets stop gyrating like yo-yos, I think a lot of investors will take their gold profits and move back to equities.

FORBES: The New Gold Rush