"If we don't believe in what we produce, how can others believe in it?" said Gu.

“如果我们都不相信自己创造的东西，别人怎么能相信呢？”顾说。

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"We feel satisfied. I can tell people that I tried my best, and your kids will no longer get polio," said Gu.

顾说：“我们心满意足。我可以告诉人们，我已经尽力了，你们的孩子不会再得小儿麻痹症了。”

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"This can also earn me some pocket money," Gu says with an impish smile, "as the stock I bought has gone down."

此时的谷显得有些顽皮，他笑着说：“这样一来，我可以赚点零花钱，因为我的股票跌了。”

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There were also cognitive and memory tasks that the drink did not seem to improve, according to the study, and the researchers should look further into what other improvements can be seen besides the verbal recall finding, Gu said.

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