The volatility of other commodity markets, such as oil and food, lends another element to this debate.
其他大宗商品市场(例如原油和食品)的价格波动表现也促发了这场争论。
2
True, Apple’s relative success is partly due to a dip in the oil price, which has pummeled Exxon’s shares, and to the volatility that swept through stockmarkets this week.