"上下无常"是个多义词，它可以指上下无常（汉语名词）,上下无常（高粱长篇小说）。
双语例句原声例句
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另一些股票可能上下浮动，因为它们反复无常。
And other stocks might jump up and down a lot because they're very volatile.
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不过，欧元区之外，各国货币间的汇率则上下波动，有时甚至非常剧烈。比如上世纪70年代的经济及货币动荡，加之反复无常的油价，推动汇率来回波动。
Otherwise, however, currencies swung against each other, sometimes wildly, as the economic and monetary turmoil of the 1970s combined with high and volatile oil prices to push exchange rates around.
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And other stocks might jump up and down a lot because they're very volatile.
另一些股票可能上下浮动,因为它们反复无常。
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- 来自原声例句