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sign mean in Britain? (good luck) Do you think the same sign means the same to people all over the world? If you think so, can you show some examples and explain them? ( Take the American gesture OK for example. Making a circle with one’s thumb and index finger(食指 , first finger/forefinger) means ‘ money’ in Japan but ‘zero’ in France. Who needs to use sign language in their daily lives? (Deaf people or those who are unable to hear) Have you ever used sign language? Is it helpful for you to municate with others? Picture 4: Braille A system of writing and printing for visually impaired or sightless people, in which varied arrangements of raised dots representing letters and numerals are identified by touch What is Braille? (A special language for blind people) Who invented Braille? ( A Frenchman called Louis Braille) Have you heard about him? What did he