In the old time of China, the famous officer Zheng He was appointed to explore the new areas of the world by sailing a big ship. This was an important event in the history, he opened the new world for Chinese people and he was much earlier than other explorers. In order to in honor of the great movement of Zheng He, Chinese government agreed to revise the day March 17th as the International Navigation Day. Nowadays, the meaning of this day has gone much further, it gives applause to the international friendship between countries in the navigation. The countries desire to seek more cooperation in these sea areas and promote the economy together. China plays the important role in maintaining the peaceful sea environment, and the policemen deserve the biggest praise. 在古老的中國，著名官員鄭和被任命去航海探索世界新領域。這在歷史上是一個重要的事件，他打開中國人看世界的大門，也比其他的探險者要早得多。爲了紀念鄭和的偉大舉動，中國政府同意修改日子，把3月17日作爲國際航海日。如今，這一天的意義已經超出其本身，象徵着國家之間的國際航海友誼。許多國家希望在這些海洋領域尋求更多的合作，促進經濟發展。在維護和平海洋環境上中國扮演着重要的角色，警察應該得到最大的讚美。
