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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
Jul. 31, 2020
Jul. 31, 2019
PREPAID EXPENSES AND OTHER CURRENT ASSETS    
Advance to employees for business development purposes (a) $ 131,790 $ 700,940
Prepaid service fees (b) 64,189 891,098
Prepayment for advertising services (c ) 609,763 400,895
Advance to vendors (d) 10,000 428,349
Others (e) 55,209 78,653
Total $ 870,951 $ 2,499,935