Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
출산력이 높은 나라에서는 인구가 증가하고 있습니다.chulsanryeok-i nop-eun nara-eseoneun inguga jungga-hago issseubnida.In countries with high prolificacy, the population is increasing.