商务的英语怎么说

商务：
1.commercial affairs
2.commercial
3.commerce
4.business
5.commercial matters>
例句与用法:
1.他每年都要为商务到美国去几次.
He makes several business visits to American every year.
2.史蒂文森先生,这位是国际商务公司的代表保罗·史密斯.
Mr.Stevenson,this is Paul Smith,a representative of the International Business Company.
3.您是执行商务吗?
Be you here on business?
4.”商务剑桥英语考试一部分是笔试,一部分是口试.”
"The Cambridge Business Exams are part written,part oral."