लेखक: Huang Ying

It was half a month ago that I received a text message from Mei Qi. Shu Qing has been hesitating whether to attend her birthday party. The warm wind in autumn is sprinkled with sweet osmanthus fragra …

This book is a universal textbook compiled for students in higher vocational colleges and higher colleges regarding etiquette. This book is divided into ten chapters, including the overview on etique …

In the era of big data, it will become commonplace to let data speak. This book will start with the causes and consequences of the big data era, comprehensively analyze the characteristics of the big …