we have instruments that be applied annually and of which the results be measured each year but we also have some measures that have to be applied over several years
We have instruments that must be applied annually, and of which the results can be measured each year, but we also have some measures that have to be applied over several years, as part of programmes that take several years to produce results.
We have instruments that be applied annually, and of which the results be measured each year, but we also have some measures that have to be applied over several years, of programmes that several years to produce results.