Who is better, Long Wenjing or Yu Pei An?

Long Wenjing is better than Yu Pei. Yu Pei 'an's English copybooks are round, easy to use and widely used. Long Wenjing's English copybook is italicized, which is not easy to use and the scope of application is not as wide as Pei 'an's English copybook. Therefore, Long Wenjing is better than Yu Pei.