By coupling with muggles in successive generations you may eliminate the magic gene completely without being given much prior warning in the form of your children and grandchildren lacking magic abilities 一代一代持续地与麻瓜结合可能会最终把魔法基因完全去除，但这对于你的儿子辈与孙子辈来说，他们却有可能完全不会发现他们自身有任何魔法能力的减退，因此对今后的威胁毫无警觉。
In the latter family a mass of different mental forces and talents is awakened and cultivated , which will increase from generation to generation , every succeeding generation possessing more power of obtaining material wealth than the preceding one , while in the former family stupidity and poverty must increase with the diminution of the shares in the landed property 后一家族在精神力量和才能上获得了巨大的、种种不同的培养和发展，而且一代一代传下去，获致物质财富的力量将有增无已；而前一家族地产愈分愈小，愚昧和贫困情况的演进就势难避免。
Gutman argues convincingly that the stability of the black family encouraged the tra mi ion of - and so was crucial in sustaining - the black heritage of folklore ， music ， and religious expre ion from one generation to another ， a heritage that slaves were continually fashioning out of their african and american experiences 古特曼人令人信服地论辨道，黑人家庭的稳定有助于包括民间传说、音乐、及宗教表达在内的黑人文化遗产一代一代传递下去，因而在维持文化遗产方面也起着至关重要的作用，而对于这种文化遗产，黑奴们不断地从其非洲和美洲的经历中予以丰富发展。
Gutman argues convincingly that the stability of the black family encouraged the transmission of - and so was crucial in sustaining - the black heritage of folklore ， music ， and religious expression from one generation to another ， a heritage that slaves were continually fashioning out of their african and american experiences 古特曼令人信服地说明，稳定的黑人家庭激励了传统的黑人民间传说、音乐及宗教一代一代人的传递（对于继续保持这些传统也是重要的） ，在传递过程中，奴隶将他们在非洲和美国的经历加入进去，使这些传统更加符合时代潮流。
Gutman argues convincingly that the stability of the black family encouraged the transmission of - and so was crucial in sustaining - the black heritage of folklore ， music ， and religious expression from one generation to another ， a heritage that slaves were continually fashioning out of their african and american experiences 古特曼人令人信服地论辨道，黑人家庭的稳定有助于包括民间传说、音乐、及宗教表达在内的黑人文化遗产一代一代传递下去，因而在维持文化遗产方面也起着至关重要的作用，而对于这种文化遗产，黑奴们不断地从其非洲和美洲的经历中予以丰富发展。
Gutman argues convincingly that the stability of the black family encouraged the transmission of - and so was crucial in sustaining - the black heritage of folklore , music , and religious expression from one generation to another , a heritage that slaves were continually fashioning out of their african and american experiences 译文：古特曼人令人信服地论辨道，黑人家庭的稳定有助于包括民间传说、音乐、及宗教表达在内的黑人文化遗产一代一代传递下去，因而在维持文化遗产方面也起着至关重要的作用，而对于这种文化遗产，黑奴们不断地从其非洲和美洲的经历中予以丰富发展。
