1. About Keyboard Types There are mainly three types of keyboards: Mechanical keyboard Every key on a mechanical keyboard has its own separate switch, also called a “switch” (axis). Classified by the micro switch type, mechanical keyboards are divided into brown, blue, white, black, and red switches. Mechanical keyboards feel comfortable to type on, but they are on the expensive side.

Author: W. Somerset Maugham Publisher: Tianjin People’s Publishing House Publication year: 2016-1-20 ISBN: 9787201100159

Author: Wang Xiaobo Publisher: Northern Literature and Art Publishing House Publication Year: 2006-4 ISBN: 9787531719199

Author: Li Shanglong Publisher: China Friendship Publishing Company Publication Year: 2015-7 ISBN: 9787505735361 Notes: Better suited to college students who feel lost. The author dropped out of a military academy, became an English teacher at New Oriental, and eventually wrote screenplays and made films, living the life he chose through his own effort.

English title: The Black Swan Subtitle: How to Deal with an Unpredictable Future Author: Nassim Nicholas Taleb Translator: Wan Dan Publisher: CITIC Press Publication Year: 2009-8 ISBN: 9787508616018 Notes: The author uses his own experiences — the Lebanese war, a journalist’s war diary, a stock market crash, Yevgenia’s book — as his entry points, describing from personal experience this world that lives in uncertainty.