If you know a man's last name, address him as 'Mr.'.
如果你知道一个男性的姓, 应该用 'Mr。' 来称呼他。
Yet, in real life, circumstances do sometimes conspire to bring about coincidences which anyone but a nineteenth century novelist would find incredible.
不过,在现实生活中,有时确实会出现一些巧合,这些巧合除了19世纪小说家外谁也不会相信。