English to Chinese Social Sciences Government / Politics

The context is:
Thus, record-high speculative prices have likely caused bunker traders to release inventory, but those releases may have been purchased by speculators who are now active lessees of commercial storage capacity. The implication is that speculators can drive up prices and increase their inventory holdings even as total commercial inventories remain little changed.
希望对国际石油市场比较了解的给予解释。谢谢。