2-- Yes, here you are.
 
1-- Are you here on business?
 
2-- Yes. We are going to London on business.
 
1-- How long will you be staying in UK totally?
 
2-- About two weeks.
 
1-- I'd like to remind you of one thing, sir. Your passport expires in 20 days.
 
2-- Goodness, you said it. I never thought of it when I left Tokyo.
 
1-- You'll be back in Tokyo then, won't you?
 
2-- I should be. But it still wouldn't have occurred to me that I need to renew my passport if you hadn't pointed it out to me. I really need a new one.
 
1-- Have a pleasant stay in UK.
 
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注解：
 
1.passport护照 
2.remind提醒  
3.Goodness天啊

===================================
译文：

1-- 先生，请出示你的护照。
2-- 好的，给你。
1-- 你是来办公吗？
2-- 是的，我要去伦敦办公室。
1-- 你一共在英国要待多久啊？
2-- 大约两周吧。
1-- 我要提醒你一件事，先生。你的护照要在20天后过期了。
2-- 天啊，真的啊。离开东京时，我没有想到这一点啊。
1-- 那时候你就回东京了，是不是？
2-- 应该是。如果不是你提醒的话，我真记不得我需要更新护照了。我的确需要一个新的了。
1-- 希望你在英国过得愉快。