Experience shows that ineffective implementation is due mainly to the fact that many of the parties still have insufficient domestic legislation, infrastructure and resources (trained human or financial) to effectively implement the conventions.
经验表明不能有效执行主要原因是许多缔约国仍然没有充分的国内立法、基础设施和资源（训练有素的人力或财力资源）来有效地执行公约。