Siwa has been permanently inhabited since the 10th millenium BCE or for roughly 12 thousand years.

自公元前10世纪，或是约12000年以来，锡瓦一直有人居住。

Universities have been around for a millenium, but the vast majority of business schools only came into existence in the last century.

大学已经存在了一千年，但绝大多数的商学院是在上个世纪才出现的。