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来源：雅诚德英语网
Everything appears useless. Were you surprised at how few things have been proven to work?
你对于几乎没什么东西被证明能对感冒生效这点感到惊讶吗？
Everything appears useless. Were you surprised at how few things have been proven to work?
你对于几乎没什么东西被证明能对感冒生效这点感到惊讶吗？