麻烦各位高手帮忙翻译这段话

Variable levy is the customs duties that the price margin according to home market and international market collects to the import commodity. Protect home market and home market for the competitiveness weakening an import commodity when pawning some kind of homeland commodity in the homeland price price higher than import commodity of the same kind,the differences according to in the homeland price and the entrance price room collect customs duties , this customs duties blows variable levy right away.