我们可以想象2%的提高就像把时钟往回倒两年，“克莱默说。”
"The 2 percent increase we can think of as turning back the clock about two years," Kramer says.
“我们研究的对象是120位在工作中都需要久坐的人。”克莱默说。
"The participants in our study were 120 very sedentary people," Kramer says.
更进一步，还要寻找能唱能跳能演的演员，并且年纪足够饰演中年角色。这些在当下都还具有挑战性，克莱默说。
Even finding a cast that could sing, dance and act - and were old enough to play middle-aged characters - was a challenge this time, says Craymer.
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