Note 165 [English]西方人们见面的人们是契丹。
16:16 Share

Conclusion: Identification is important when you face unknown stuff in the field of, for example, scientific researches and problems in the works of your workplaces.

Related contents:

1. The video version of this episode: [Note 169] [English]西方人们见面的人们是契丹。)