求翻译：国际贸易亦称“世界贸易”，泛指国际间的商品和劳务(或货物、知识和服务)的交换。它由各国(地区)的对外贸易构成，是世界各国对外贸易的总和。是什么意思？

International trade also known as "World Trade", refers to international goods and services (or goods, knowledge and services) in exchange. It consists of countries (regions) of the foreign trade structure, foreign trade is the sum of the world.

International trade is also referred to as the "World trade" refers to the goods and services internationally (or goods, knowledge and services) in exchange. It is composed of countries (regions) foreign trade, constitute the countries of the world's total foreign trade.

The international trade also called “the world trade”, makes a general reference the international commodity and the service (or cargo, knowledge and service) exchange.It by various countries (area) the foreign trade constitutes, is the various countries foreign trade sum total.

International trade also known as "world trade", refers to international goods and services (or of goods, information and services) of the Exchange. It consists of various countries (area) of foreign trade, and foreign trade in every country in the world combined.

The international trade also calls " world commerce ", refer to the exchange of international goods and labor service (or the goods, knowledge and service) in general. It is formed by foreign trade of various countries (district), it is the total of foreign trade of countries all over the world.