Then she explained that she originally had purchased the tickets for herself and her boyfriend, who was an intern, so that they could attend the concert together. He didn't keep the date, and in order to avoid getting depressed or lonely she had invited me instead.
遂即迅速地說明景況：她原本是買了票子約好與做實習醫生的男友一起聽唱的，但因為男友爽約，而自己又不甘願委屈落寞，才邀我共賞。