làm thế nào để ngăn chặn việc thải chất ô nhiễm ra bên ngoài môi trường bằng cách nào để giúp đỡ trẻ em gặp những hoàn cảnh khó khăn như mồ côi cha mẹ, bị khuyết tật or bệnh bẩm sinh
How to prevent the release of pollutants into the environment How to help children in difficult situations such as orphans, disabled or congenital diseases
How to prevent pollutants from being discharged into the environment<br>How to help children in difficult situations, such as orphans, disabilities, or congenital diseases
How to prevent pollutants from being discharged outside the environment<br>How to help children with difficulties, such as orphans, disabilities or congenital diseases?