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INTANGIBLE ASSETS, NET (Details) - USD ($)
$ in Thousands
12 Months Ended
Feb. 28, 2022
Feb. 28, 2021
Intangible assets    
Intangible assets, gross $ 133,906 $ 133,728
Less: accumulated amortization (83,917) (70,012)
Less: accumulated impairment loss (51,810) (358)
Add: foreign exchange difference 3,517 2,683
Intangible assets, net 1,696 66,041
Trade name and domain names    
Intangible assets    
Intangible assets, gross 41,711 41,707
User base and customer relationships    
Intangible assets    
Intangible assets, gross 32,378 32,378
Licenses    
Intangible assets    
Intangible assets, gross 28,970 28,796
Technology    
Intangible assets    
Intangible assets, gross 14,308 14,308
Copyrights and teaching materials    
Intangible assets    
Intangible assets, gross 6,026 6,026
Partnership agreements and school cooperation agreements    
Intangible assets    
Intangible assets, gross 4,858 4,858
Others    
Intangible assets    
Intangible assets, gross $ 5,655 $ 5,655