However, the Committee is concerned at the absence of a systematic methodology for data collection and disaggregated data analysis in all the areas covered by the Convention, and in particular in relation to children belonging to vulnerable groups.
然而，委员会感到关切的是，尚无方法有系统地收集和分类分析《公约》所涵盖各领域，特别是关于属于弱势群体儿童情况的资料。