Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
심대는 청각장애인과의 의사소통에 매우 중요합니다.simdaeneun cheonggakjang-aein-gwa-ui uisasotong-e maeu jung-yohamnida.Handspeak is very important for communication with the hearing impaired.