The school, founded by Shaffner and a group of parents, opened three years ago.
三年前，沙夫纳和一些家长们联合筹建了这所学校。
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Shaffner says she helped found the school because she had a sense that Chinese would become a global language.
沙夫纳说她筹建这所学校因为她有一种预感汉语将变成一种全球性语言。
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"They actually know more than I do," says Mary Shaffner, Yu Ying's executive director. "I know a little bit of Chinese, but they're actually better than me."