The world is so big, I wouldlike to step out and have a look. Victoria is a student of International Business. She likes travelling around the world.The first thing she should do is to exchange currency. Why?“世界那么大，我想去看看”。小薇是国际贸易专业的学生，喜欢周游世界。出国首要之事是换外汇,为什么？