Since its inception, the United Nations has performed multiple activities in various areas, such as the maintenance of peace and security, socio-economic development, humanitarian assistance, the promotion of international law, human rights and the protection of the environment.
自建立以来，联合国在各领域开展了各种活动，例如维持和平与安全、社会经济发展、人道主义援助、促进国际法、人权和保护环境。