This issue is special for interpreting 2021 WHO Classification of Tumors of the Central Nervous System (fifth edition). To standardize and unify the usage of terminology in this special issue. this article elaborately translates simplified table of 2021 WHO Classification of Tumors of the Central Nervous System (fifth edition) into Chinese. At the beginning paragraph. https://www.roamingfreesims.com/product-category/ansell-lighting-twistlock-50w-fixed-gu10-chrome-die-cast-downlight/