这个原理适用于商务交际的任何一个方面。

The same principle applies in every aspect of communication in your business.

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我修过的课程包括：秘书原理、办公室管理、商务英语、公共关系、礼仪学习、心理学、计算机编程、打字、速记和文档整理。

I've taken such courses as secretarial principles office administration business English public relations etiquette study psychology computer programming typing stenography and file-keeping.

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该课程的先行课是国际贸易理论与实务、商务与会计原理、市场营销。

This curriculum advance class is the international trade theory and the practice, the commerce and the accounting principle, the market marketing.

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