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
계약의 정지조건이 충족되지 않으면 계약이 무효가 됩니다.gyeyag-ui jeongji jogeon-i chungjokdoeji anheumyeon gyeyag-i muho-ga doemnida.If the condition precedent of the contract is not fulfilled, the contract becomes void.