If you say that something has been happening since time ~ or from time ~, you are emphasizing that it has been happening for many centuries. (LITERARY)
It has remained virtually unchanged since time ~...
PHRASE emphasis
If you say that something has been happening since time ~ or from time ~, you are emphasizing that it has been happening for many centuries. (LITERARY)
It has remained virtually unchanged since time ~...
PHRASE emphasis
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012