这可能反映了盎格鲁撒克逊国家之间高度相互交流，或者国内具有技能人士移民前往其他盎格鲁萨克斯国家，而其他地方有一技之长的人又过来填充。
This may reflect the high interchange in both directions between the Anglo-Saxon countries, or replacement migration in which skilled people arrive from elsewhere as the domestic skilled migrate to other Anglo-Saxon countries.