Under certain circumstances, the speculativeactivities of the institutional investors are a direct force to cause the financial crisis in a country.
在特定的情形下，机构投资者的投机行为会是造成一个国家金融危机的直接推动力。
2
So was the speculativeactivities, borrow (equal to sell, here) JPY and US Dollar, currencies with lower interests (lower or least cost), to buy everything.
由此产生的投机行为是：借入(等同于卖出)日元、美元这些低息货币，然后买任何东西。
3
As the boom of commodity prices and profits are good, a lot of credit to be used for speculativeactivities of speculators, the credit expansion greatly exceeds production growth.