爱情是什么 谁能告诉我 开始到结束我只是个过客 爱过也恨过 留下了什么 为何我的回忆全是苦涩 [00:50.32 [00:54.99 [01:00.04 [01:04.95 [01:08.88 [02:28.20 [02:32.94 [02:37.47 [02:42.81 [02:46.64 [02:47.85 [02:52.59 [02:57.08 [03:46.34 [03:06.23