（Miss Hu， the secretary of Mr. Green， is inviting their client Mr. Smith to have a dinner with 
them. ）
（A： Miss Hu； B： Mr Smith）

A： Do you have anything special to do this evening， Mr. Smith？

B： Nothing special.

A： Why not go to dinner with us？

B： Don't trouble， Miss Hu？

A： No trouble at all. It's our pleasure.

B： Thank you.

* * * *

A： Do you care for seafood？

B： That's my favorite.

A： Good. It seems we have come to the right place. In this restaurant you can have crabs， prawns， fish， shellfish and the like. They are fresh from the sea.

B： Are they delivered by air？

A： Certainly.

B： That's fine.

A： Here we are.