从某种意义上说,生活就像游泳。如果你总是扶住池边,就永远也学不会。 (in a sense)
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一个民族的前途在很大程度上取决于其教育与培训的质量。 (in a large measure)
He gave us a vivid description of ____he had seen in Africa.
The only way to avoid being miserable is not to have enough leisure to wonder ____you are happy or not.
I looked around and was not certain ____house I was in.
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