Learning sign language can make your fingers elegant and your arms slim.

Learning sign language can make your expression vivid and flirt with you.

Learning sign language can communicate silently with friends in the library.

When learning sign language, you can talk face to face in various closed windows.

Learning sign language can accurately convey meaning in noisy environment.

Learning sign language can prevent Alzheimer's disease

You can communicate secretly when you learn sign language (don't use it in the examination room)

Learning sign language can make many deaf friends and make people experience a different world.