今天给自行车换了后车轮的内胎和外胎，本来拖了很久以为很难，因为还有变速器，看了视频，几下就自己换好了，果然做一件事开始是最难的，人有时候也想得太复杂了。#schreiben生活琐事记录
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.
