他过去每年至少回家一次，但由于在蜡笔厂工作太辛苦，他已经快三年没回家了。
He used to return home at least once a year, but hasn't been back for almost three years now because of the hard job in a crayon factory.
他过去每年至少回家一次，但由于在蜡笔厂工作太辛苦，他已经快三年没回家了。
He used to return home at least once a year, but hasn't been back for almost three years now because of the hard job in a crayon factory.
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