Could you please introduce some basic knowledge about the customs?您能給我介紹一下有關海關的基礎知識嗎？

The customs is the authorities to supervise and control the whole process of import and export. It is subordinate to the national administrative system. It exercises independent administrative management right both domestic and abroad on behalf of the nation.海關是國家的進出關境管理機關，從屬于國家行政管理體制，對內對外代表國家依法獨立行使行政管理權。

The customs carries out its function of supervising the administrative systems of the nation; it is an important part of the national management.海關履行國家行政制度的監督職能，是國家管理的一個重要組成部分。

The scope that the customs carries out its function of supervision and control is the inhound and outbound or some relational activities; the subjects it supervises on are all the inbound and outbound vehicles, instrument, cargo and articles.海關實施監督管理的范圍是進出關境及與之有關的活動，實施監督管理的對象是所有進出關境的運輸、工具、貨物、物品。

The basic four tasks of the customs are supervision and control, collection of tax, suppress smuggling and auditting.海關的四項基本任務是：監管、征稅、緝私和統計。

What rights can the customs enjoy?海關能夠行使的權利是什么？

Right of search. The customs has the right to inspect the inbound and outbound vehicles; search the smuggling suspect vehicles and the places where smuggling stuff might be hidden and search the suspects in the coastal areas.檢察權。檢查進出境運輸工具；在海關監管區和海關附近沿海沿邊規定地區，檢查有走私嫌疑的運輸工具和有藏匿走私貨物、物品嫌疑的場所，檢查走私嫌疑人。

Right of retention. The customs has right to detain the vehicles, imported or exported articles with violate the customs law, administration regulations or some relational laws.扣留權。對違反海關法或者其他有關法律、行政法規的進出境運輸工具、進出境貨物、物品有權扣留。