he who laughs last laugh best最后那个laugh要不要加s

he who laughs last laugh best最后那个laugh要不要加s He laughs best who laugh last的laugh为什么要加s?谢谢谢谢谢谢谢谢谢! "Who the last laugh,who laughs best! why to say:"He laughs last who laugh best " Who laugh the last,laugh the best. He who laughs last laughs best. 英文：He who laughs last.laughs best. 'He who laughs last laughs best'' A friend in need is a friend indeed.He laughs best who laugh laughs best who laughs last 连词成句:who/last/he/best/laughs/laughs 求关于he laughs best who laughs last 的小故事.要英文的.