But sharp movements in currency markets in particular recently should point up the need for hedgingcontracts.
不过，外汇市场上的大幅波动，特别是最近的大起大落，应该凸显出对冲合约的必要性。
2
Instead, the volatility has made clear that in recent years, companies bought hedgingcontracts whose terms they didn't understand.
相反，市场动荡却清楚地表明，公司近年来买进了对冲合约，却并不明白其中的条款内容。
3
Ever since the collapse of Lehman Brothers last year, firms have been worrying about whether they will ever be able to collect on the hedgingcontracts they have bought if their bank collapses.