Zero is a variety which suggests an quantity of null dimension; that is, if the number of brothers is zero, Which means the same factor as having no brothers, and if a little something provides a excess weight of zero, it has no weight.Chu?n b? cho vi?c nh?n hàng: ??m b?o r?ng b?n ho?c ng??i ???c ?y quy?n c?a b?n có m?t t?i ??a ?i?m nh?n hàng v�