該國貿(mào)易額在世界的位次是11。

　　The country’s trade volume ranks 11th in the world.

　　珠穆朗瑪峰是世界上最高的山峰。

　　Mount Qomolangma is the highest mountain peak in the world.

　　這個國家曾一度與外部世界隔絕。

　　The country once cut itself off/isolated itself/sealed itself off/insulated itself from the outside world.

　　我們都是這個世界上的匆匆過客。

　　We are all passing visitors in this world.