Changes in national and international labour markets and national pension systems, the increase in life expectancy and the more efficient use of human resources in the United Nations system justified such a review.
各国和国际劳务市场及各国养恤金制度方面的变化、平均寿命延长以及联合国系统更高效地利用人力资源，说明有理由开展此项审查。