[简述]：牛客网是一个专门面向程序员大学生的IT技能学习、备考、求职题库，包括了IT名企历年真题题库，考研题库，期末试题，各类计算机学习语言题库，超过100万人在使用的免费IT教育学习平台。
[简述]：The World Customs Organization (WCO) is the only intergovernmental*ganisation exclusively focused on Customs matters. With its worldwide membership, the WCO is now recognised as the voice of the global Customs community.