As travel expenditures represent a relatively high share of the overall resources of organizations, managers, Member States and oversight bodies of the organizations of the common system have constantly attached great importance to achieving efficiency and cost savings in travel.
由于旅行支出在各组织整个资源中占相对高的比例，共同制度各组织的管理人员、成员国和监督机构常常十分重视旅行的效益和节约。