旁白 ：梅迪的应用界面帮助文盲与半文盲的用户学会使用电子银行等服务。
Wordless: Medhi's interfaces guide illiterate and semiliterate users through tasks such as electronic banking. Credit: Indrani Medhi/Microsoft Research India
多达一半的人仍然是越南语和英语的文盲或半文盲，永远也成不了美国公民。
As many as half remained illiterate or semi-illiterate in both Vietnamese and English and never became U.S. citizens.
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