Tracking of contributions by the organization for economic cooperation and development, shows that countries have fallen short of this goal.

对经济合作与发展组织捐款的跟踪表明，各国没有达到这一目标。

Now normally these assessments are taken every three years by the organization for economic cooperation and development, but it was pushed back due to the COVID-19 pandemic.

通常情况下，这类评估是由经济合作与发展组织每三年举行一次的，但由于新冠疫情的爆发，这次考试也延期了。