The history of all hitherto existing society is the history of class struggles.
一切迄今为止社会的历史都是阶级斗争的历史。
Continuous learning is the only way to cope with rapid technological changes.
If you're horrible to me, I'm going to write a song about it, and it won't be a good one for you.
音乐可以治愈心灵,我希望我的歌可以帮助人。