Non-GAAP operating loss margin was 23.6%, compared with 14.7% in the prior-year period. Net loss for the fourth quarter of 2021 decreased by 69% to RMB 475.1 million from RMB 1.53 billion in the prior-year period. Net loss margin was 31.1%, compared with 78.1% in the prior-year period. Non-GAAP net loss for the fourth quarter of 2021 increased by 17.8% to RMB 336.3 million from RMB 285.4 million.