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URL：https://www.thoughtco.com/thmb/x9TDscSl55Sbz66ScjojVOQZbBY=/2500x1666/filters:fill(auto,1)/GettyImages-760287837-5c6a438946e0fb0001f9352f.jpg 掲載元：https://www.thoughtco.com/what-is-the-best-way-to-learn-french-1369379
