Mobile keyboard arrow keys, the keyboard with left-prescription, prescription counterparts moved to the medicine cabinet, according to the keyboard right-TRADE Patients then go by before he left-handed.

• 键盘上下键移动,键盘左键拿药方,根据药方移动到对应药柜,按键盘右键取药,然后走到病人面前按左键递给他。