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ویدئوی شماره 87 - تصحیح و فیدبک تصویری مقدمه رایتینگ تسک دو آیلتس As countries have developed there has been a trend towards smaller family sizes. Why does this happen? How does this affect society?
As countries have developed there has been a trend towards smaller family sizes. Why does this happen? How does this affect society?