He always has to have the last word in any argument.

　　在任何爭論中總是得他最后說(shuō)了算。

　　A politics of the future has to engage with new ideas.

　　未來(lái)的政治制度必須同新思想結合。

　　He has to manage on less than  100 a week.

　　他就靠每周不到100英鎊來(lái)維持生活。

　　The system is inadequate for the tasks it has to perform.

　　這個(gè)系統要完成它的任務(wù)還不夠完善。

　　One has to ask oneself what the purpose of the exercise is.

　　大家必須問(wèn)一問(wèn)自己，這個(gè)鍛煉的目的是什么。