'Shadowing' to success(통역사로의 성공은 ‘섀도우 통역’) Hiroyuki Ueba Daily Yomiuri Staff Writer\ OSAKA--What people learn at a young age often has a profound effect on their later lives. For Toshiko Silva, 42, who works as an English instructor at Osaka Gakuin University and as an interpreter and licensed guide, what she learned while studying simultaneous int..