翻译中是
"有 nnn 条道路连接着 n+1n + 1n+1 座编号从 111 到 nnn 的城市"
而原文中是
"There are n+1n + 1n+1 cities, numbered from 000 to nnn . nnn roads connect these cities"
即
"有 nnn 条道路连接着 n+1n + 1n+1 座编号从 000 到 nnn 的城市"