Beyond the challenges of culture shock and language, you must deal with the roller-coaster dollar as it rises and falls against other currencies.

除了文化冲击和语言的挑战，你还要处理像过山车一样上涨下跌的货币汇率。

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China's Currency has been remarkably stable, even as the Euro and Dollar do roller coasters and loop-the-loops.

中国的货币一直非常稳定，即使欧元和美元经历过山车。

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Lately the Australian dollar has been on a roller coaster, the Japanese yen can't shoot up fast enough and the Mexican peso lost 8 percent of its value in one day.

NPR: Currency Traders Spy Opportunity In Crazy Times

For Frankel, offering millions of strangers a front row seat on the often messy and exhausting roller coaster ride that is her life, proved the ticket to building her multi-million dollar business empire.

FORBES: Bethenny Frankel And The One Question She's Never Been Asked: 'Are You Happy?'