quid pro quo（拉?。┭a償物；相等物；交換條件；讓步條件
1.It cost him five hundred quid.
2.They share a great deal of information on a quid pro quo basis.
3.At the airport she was stung for a few quid for having excess luggage.
4.And a piece of steak was such a little thing, a few pennies at best; yet it meant thirty quid to him.
5.Please accept the use of our cottage as a quid pro quo for lending us your car.
6.Can you lend me five quid?
7.Fifteen quid is all she asks for.
8.In the Andes, time is often measured by how long it takes to chew a quid of coca leaf.