• 2021-04-14
    Manyoftheworld’slanguagesaredisappearingasmoderncommunications,migration(人口迁移)andpopulationgrowthendtheisolationofethnicgroups.Atleasthalftheworld’s6,000languageswilllikelydieoutinthenextcenturyandonly5aresafe,meaningtheyarespokenbyatleastlmillionpeopleandreceivestatebacking,expertssay.