In China there are a lot of charities and they will be more than happy for you to give your time and expertise.
The intense year of study gave her skills and expertise that were invaluable to her future career.
We invaded Iraq on false pretenses, and that gives us no authority or expertise to make things right there.
Mark Sutherland, who so generously gave his time and expertise to solve these problems.
We have been given the status, resources and expertise to do so - on both sides of the Channel.
They are very good technicians and they give us expertise.
These and other initiatives gave the Canadian petroleum industry unrivalled expertise in some areas.
These were ultimately unsuccessful, but gave him expertise in mining and coal chemistry.
A number of my fellow authors have given their very valuable time and expertise to this project.
It is not just money that is needed: we also need to give technical expertise.