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
비우생학적인 요소는 사회에 부정적인 영향을 미칠 수 있다.biuseonghakjeogin yoso-neun sahoe-e bujeongjeogin yeonghyang-eul michil su itda.Dysgenic factors can have a negative impact on society.