unit four receiving foreign customers
...Unit Three Office Communication and File Keeping 办公通信及文件归档 Unit Four Receiving foreign Customers 接待外宾 Unit One Market Research and Advertising Publicity 市场调查和广告宣传 ..
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unit four receiving foreign customers
第四单元接待外国客户
以上为机器翻译结果，长、整句建议使用 人工翻译 。