it would be safe to assume that(Пример: В первом приближении дом можно было бы определить как рукотворное сооружение закрытого типа, находящееся в чьей-то собственности. It would be safe to assume that the house is an enclosed structure owned and built by people Dmitry_Arch)
onset of winter(the counting has already begun in some remote places that might not be accessible because of the onset of the Russian winter Olga Okuneva)