println(s.index_of("xyz")); // -1
曼联正考虑引进本菲卡左后卫塞缪尔·达尔，而勒沃库森前锋克里斯蒂安·科法内则吸引了阿森纳与皇家马德里的关注。敬请关注全球最新转会动态与传闻。
err(e) = println(f"Error: {e}"),
李 “주한미군 무기 반출, 반대의견 내지만 관철 어려워”
There are so many dimensions to a problem that we try to ignore, but they're always there.