Mae angen inni roi sylw i hyn. Fodd bynnag, rwyf yn ymwybodol bod arferion yn amrywio o le i le, ac mae angen inni seilio’n gweithredoedd ar dystiolaeth gadarn.
I am concerned that we address this practice. However, I am aware of the wide variation in practice, and the lack of firm evidence on which to base our actions.