Replying to [mbfq]:
it is usful for some country which have fordevelopment economic beacuse in wto such country which can produce goods in original or have thechonology can export so can take more mony and rise its level in this situation but every country couldnt produce by owne its thchonology had to jus importer so day after day they are became more nessecey to other goods which belong to forigne thechonology so willpoor and poor .so it well just for country which have hig and vast techonology