title: Haddii aad marwalba soo toosto isla waqtiga uu wacyigelintu bilaabmayo, waxaa jira sabab cilmiyeed
abstract: Waxaad leedahay saacad gudahaaga ah taasoo la socota waqtiga sida saacadaada oo kale. Tani waa sababta ay u burburin karto hurdo wacan.