Then again, natural language can't seem to develop signs fast enough to keep up with all the new concepts emerging in the information age. But, given time, the deaf do develop new words. "E-mail" is a case in point.
現今資訊時代，各種新名詞快速更迭，自然手語往往來不及發展出與新概念相對應的手勢，不過時日一久，聾人還是會發展出新的詞彙。