如果价格上下波动不大，将不会对制药业产生影响。
And it can't hurt to ask your pharmacy if it will match the price.
当今的市场，钢铁产品和原材料的价格上下波动剧烈。
The price of steel and iron products and materials undulates fiercely on the current market.
尽管股票价格和收益上下波动的很厉害，但是红利是比较稳定可靠的，按实值计算从波峰跌落到波谷也就十分之一的差距。
Although stock prices and earnings move up and down violently, dividends have been more reliable, typically falling from the peak of a cycle to its trough by only one-tenth in real terms.
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