新的资格证书将取代原有的商务原理和实践2级和3级证书。
These qualifications will replace the current Level 2 and Level 3 Business Practice qualifications.
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.
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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