求翻译：同一货币单位表示的世界各国货物进口或出口总额，称为国际贸易额或国际贸易值，由于进出口计算价格方法不同，因此世界出口货物总额总是小于世界进口货物总额。是什么意思？

Expressed in units of the same currency the world total import or export of goods, known as the value of international trade or international trade, due to the import and export price calculation method is different, so the total world exports of goods is always less than total world imports.

That same currency of the countries of the world, to be known as total goods imported or exported volume of international trade or value of international trade import and export prices vary in the way, as a result, the world total exports of goods is always less than total world imports.

The identical monetary unit expressed the various countries cargo import or the total export, are called the international volume of trade or the international trade value, because the import and export calculates the price method to be different, therefore the world exports the cargo total amount t

The same monetary units of the total goods imported or exported around the world, known as international trade or international trade values, because the import and export price calculation method is different, so total world exports of goods is always less than the total world imports of.

The same monetary unit say countries all over the world goods import or total export, called the international volume of trade or international trade value, because accounting price methods of the imports and exports are different, so the export goods total value in the world are always smaller than