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Nghien cuu ve nguoi lon khong sinh con tai Hoa Ky (Trình độ B2) — silhouette of man standing beside shore under brown sky during daytime
13 thg 8, 2026

Nghien cuu ve nguoi lon khong sinh con tai Hoa Ky

Mot nghien cuu moi chi ra rang ty le nguoi lon khong sinh con co su khac biet lon giua cac bang tai Hoa Ky, nhung cac yeu to ca nhan van la dieu quan trong nhat.

Ảnh: Mike Scheid, Unsplash