对外: external, foreign, pertaining to external or foreign (affairs)...
独特: unique, distinct, having special characteristics...
数码: number, numerals, figures, digital, amount, numerical code...
工商: industry and commerce...
复制: to duplicate, to make a copy of, to copy, to reproduce, to clone...
举例: to give an example...
蝴蝶: butterfly...
学习: to learn, to study...
持有: to hold (passport, views etc)...
海湾: bay, gulf...
