1704941850
May I introduce myself? I’m Professor Rolland, head of the Department.
1704941851
1704941852
You must be Mr. Green. My name’s Alison Keith. How do you do?
1704941853
1704941854
介绍别人：
1704941855
1704941856
介绍别人多用This is开头：
1704941857
1704941858
This is Nora, my cousin.
1704941859
1704941860
This is Mr. Petters and Miss Jones.
1704941861
1704941862
如果更正规一些，前面还可加一两句客气话：
1704941863
1704941864
May I introduce my uncle, Mr. Cooper?
1704941865
1704941866
Let me introduce my friends to you. This is Miss Bell. This is…
1704941867
1704941868
Paul, I’d like to introduce my colleague, Nora Stanton.
1704941869
1704941870
Professor Young, I’d like you to meet my sister Isabel.
1704941871
1704941872
也可以更随意一点儿：
1704941873
1704941874
“I don’t think you know Captain Web.” “No. I don’t think we have met. How do you do?”
1704941875
1704941876
“You don’t know my sister Diana, do you?” “Hello, l don’t think I do.”
1704941877
1704941878
被介绍后的反应：
1704941879
1704941880
被介绍之后，双方都可说Hello。如果双方都是年轻人，又是非正式场合，双方可说Hi。在较正式场合，多说“how do you do?”和“Pleased to meet you.”等：
1704941881
1704941882
“Francis, this is Father Sebastian.” “Hello, Francis,” Father Sebastian said, offering his hand.
1704941883
1704941884
“How do you do? Elizabeth has spoken such a lot about you.” “Pleased to meet you, Doctor Floyd.”
1704941885
1704941886
It’s so nice to meet you. Ginny’s told us so much about you.
1704941887
1704941889
522 invaluable—valuable
1704941890
1704941891
invaluable表示“非常珍贵的”：
1704941892
1704941893
Thank you for your invaluable help．谢谢你宝贵的帮助。
1704941894
1704941895
These manuscripts are invaluable to us．这些手稿对我们是很珍贵的。
1704941896
1704941897
Her services are invaluable to me．她的服务对我是极为宝贵的。
1704941898
1704941899
valuable并不是invaluable的反义词，valuable也表示“宝贵的”、“有价值的”：
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