A great emigration necessarily implies unhappiness of some kind or other in the country that is deserted.
大规模的移民必然意味着这个被遗弃的国家的某种或那种不幸。
-- Thomas Robert Malthus 马尔萨斯
A great emigration necessarily implies unhappiness of some kind or other in the country that is deserted.
大规模的移民必然意味着这个被遗弃的国家的某种或那种不幸。
-- Thomas Robert Malthus 马尔萨斯